f
/ef/ (bre, ipa) · [ˈɛf] /ef/ (ame, ipa) · [ˈɛf] /ˈef/ (ame, mw)
f — 名詞
- fsingular
- fsplural
1. the sixth character in the English alphabet — you can write it as a capital F or
字母F
英語字母第六個
the sixth character in the English alphabet — you can write it as a capital F or a small letter f.
The word 'fox' starts with the letter f.
單字 'fox' 以字母 f 開頭。
f + starts a word — initial position
Amelia wrote a capital F at the top of her spelling test.
Amelia 在拼寫測驗上方寫了一個大寫的 F。
capital F — uppercase form
The teacher asked the class to circle every letter f on the page.
老師要全班同學把頁面上的每個字母 f 圈出來。
In the word 'giraffe', the letter f appears twice at the end.
在單字 'giraffe' 中，字母 f 在結尾出現了兩次。
文法句型
f + is
常見錯誤
2. the fourth note in the scale of C major and the sixth note in the scale of A min
F音
西方音樂中的一個音
the fourth note in the scale of C major and the sixth note in the scale of A minor — one of the seven natural notes in Western music.
Nikos played an F on the piano with his right hand.
Nikos 用右手在鋼琴上彈了一個 F 音。
played an F — producing the note
The choir began the song by singing a long, steady F note.
合唱團以一個悠長的 F 音開始演唱這首歌。
This piece of music is written in the key of F major.
這首樂曲是以 F 大調寫成的。
Salma learned to play an F chord on her guitar last week.
Salma 上週學會了在吉他上彈 F 和弦。
文法句型
F + major/minor
key of F
F + note
用法筆記
In written music, F is often marked with a sharp (F♯) or flat (F♭) to change its pitch. The F clef (bass clef) is named after this note.
常見錯誤
3. a short way of writing Fahrenheit, a scale that measures temperature — on this s
華氏
華氏溫度的縮寫
a short way of writing Fahrenheit, a scale that measures temperature — on this scale, water freezes at 32° and boils at 212°.
The weather report says it will reach 85°F this afternoon.
天氣預報說今天下午氣溫會達到華氏 85 度。
number + °F — temperature reading
Set the oven to 350°F and bake the cake for thirty minutes.
將烤箱設定為華氏 350 度，烤蛋糕三十分鐘。
Water freezes at 32°F, which is zero degrees Celsius.
水在華氏 32 度結冰，也就是攝氏零度。
The doctor said the baby's temperature was 99°F, which is normal.
醫生說嬰兒的體溫是華氏 99 度，這是正常的。
文法句型
number + °F
用法筆記
The Fahrenheit scale is used mainly in the United States for everyday weather, cooking, and body temperature. Most other countries use the Celsius scale.
常見錯誤
f — 縮寫
1. a written abbreviation for 'female' — used on documents, forms, and official rec
女性
表示性別的縮寫
a written abbreviation for 'female' — used on documents, forms, and official records to show a person's sex.
Please check the box marked 'F' for female on the application form.
請在申請表上標示「F」（女性）的格子裡打勾。
The hospital record shows the patient's gender as F.
醫院記錄顯示該患者的性別為 F（女性）。
gender as F — abbreviation on records
Nila circled 'F' on the survey form next to the question about gender.
Nila 在問卷的性別欄位圈選了「F」。
The ID card has a small F printed next to the word 'Sex'.
身分證上在「性別」旁邊印了一個小小的 F。
- M
abbreviation for male; the opposite category on forms
文法句型
F + on forms
gender: F
用法筆記
This abbreviation appears on forms and official documents alongside M (male). It is always written as a single capital letter without a period in modern usage.
常見錯誤
2. a written abbreviation for 'feminine' — used in dictionaries and grammar books t
陰性
文法中的陰性縮寫
a written abbreviation for 'feminine' — used in dictionaries and grammar books to show that a word belongs to the feminine gender in languages that have grammatical gender.
In French, the word 'table' is marked as f for feminine.
在法文中，單字 'table' 被標示為 f，表示陰性。
f for feminine — grammatical gender marking
The dictionary entry shows 'f' next to feminine nouns in German.
字典中在德語陰性名詞旁邊標示了 'f'。
Anong checked the grammar table and saw that 'rosa' is f in Italian.
Anong 查看文法表後發現 'rosa' 在義大利文中是陰性。
In Spanish, nouns marked f change the adjective ending to 'a'.
在西班牙文中，標示為 f 的名詞會把形容詞字尾改為 'a'。
文法句型
f + for feminine
f + noun class
用法筆記
This abbreviation appears in language textbooks and dictionaries alongside m (masculine) and sometimes n (neuter). It indicates the grammatical gender class, not the biological sex of the thing described.
常見錯誤
3. a written abbreviation for 'forte' (from Italian), meaning to play or sing a pie
強音
音樂中表示大聲演奏
a written abbreviation for 'forte' (from Italian), meaning to play or sing a piece of music loudly and strongly.
The conductor marked the final section with an f for loud playing.
指揮在樂譜的最後一段標上了 f，表示要大聲演奏。
marked with an f — notation in sheet music
João played the passage marked f with great energy and power.
João 以極大的力量和氣勢演奏了標記為 f 的樂段。
When the sheet music says f, the orchestra must play very loudly.
當樂譜上寫著 f 時，管弦樂團必須演奏得非常大聲。
The trumpet section played the bars marked f while the violins played softly.
小號組演奏標記為 f 的小節，而小提琴則輕聲演奏。
- forte
the full Italian word that f abbreviates; used in the same way on sheet music
- p
abbreviation for piano (soft); opposite dynamic marking
文法句型
f + in sheet music
marked f
用法筆記
In written music, f is a dynamic marking that tells the performer how loudly to play. It is part of a range from pp (pianissimo, very soft) to ff (fortissimo, very loud). Double f (ff) means even louder than a single f.
常見錯誤
f — 符號
1. the chemical symbol for fluorine, a pale yellow gas that is one of the elements
氟
氟的化學元素符號
the chemical symbol for fluorine, a pale yellow gas that is one of the elements — it is the ninth element on the periodic table.
On the periodic table, the symbol F stands for fluorine.
在週期表上，符號 F 代表氟。
symbol F for fluorine — periodic table notation
The chemical formula HF contains one atom of hydrogen and one atom of F.
化學式 HF 包含一個氫原子和一個 F（氟）原子。
Fluorine (F) is a pale yellow gas that reacts with almost every other element.
氟（F）是一種幾乎能與所有其他元素反應的淡黃色氣體。
Toothpaste contains fluoride compounds, which come from the element F.
牙膏中含有來自氟（F）元素的氟化物化合物。
文法句型
F + for fluorine
F + on periodic table
用法筆記
As a chemical symbol, F is always capitalised and never followed by a period. In chemical formulas it represents one atom of fluorine. Toothpaste often contains fluoride compounds, which are derived from fluorine.