cobalt
cobalt — 名詞
1. a hard, shiny silver-white metal that exists as a chemical element in nature. Ma
鈷
銀白色金屬化學元素
a hard, shiny silver-white metal that exists as a chemical element in nature. Manufacturers mix it with other metals to create strong alloys and use it to give glass and paints a deep blue colour.
Cobalt is widely used in batteries for electric cars and portable electronic devices.
鈷廣泛用於電動車和可攜式電子產品的電池中。
uncountable noun used as subject in a general statement
Maria examined the cobalt sample under a microscope in the university laboratory.
Maria 在大學實驗室裡用顯微鏡觀察鈷樣本。
cobalt as a modifier: cobalt sample
Omar read that cobalt mining provides jobs but also raises environmental concerns.
Omar 讀到開採鈷礦提供就業機會，但也引發環境方面的擔憂。
The factory recycles cobalt from old smartphone batteries to reduce waste.
這間工廠從舊智慧型手機的電池中回收鈷，以減少廢棄物。
Hiroshi noticed that cobalt gives a brilliant blue colour to certain types of glass.
Hiroshi 注意到鈷能讓某些種類的玻璃呈現亮藍色。
文法句型
cobalt + noun (e.g., cobalt mining, cobalt alloy)
用法筆記
Uncountable in this sense; do not use with a or an. Frequently appears as a compound modifier before a noun (cobalt alloy, cobalt mining, cobalt pigment).
常見錯誤
2. a deep blue colour that sometimes has a hint of green, named after the blue pigm
鈷藍色
帶綠色調的深藍色
a deep blue colour that sometimes has a hint of green, named after the blue pigment originally made from the metal cobalt.
The painter chose a rich cobalt for the sky in her landscape painting.
這位畫家選用濃郁的鈷藍色來畫她風景畫中的天空。
adjective + cobalt (uncountable)
Sofia decorated her living room in shades of cobalt and warm grey.
Sofia 用深淺不同的鈷藍色和暖灰色來裝飾她的客廳。
shade of + cobalt
The museum displayed a Ming vase decorated with cobalt and white patterns.
博物館展示了一只以鈷藍與白色圖案裝飾的明代花瓶。
Lena painted her cabinets in a shade of cobalt that reminded her of the sea.
Lena 把她的櫥櫃漆成一種讓她想起海洋的鈷藍色。
For the company logo, the designer picked a bright cobalt that stands out on white.
公司標誌方面，設計師選用了一種在白底上很突出的亮鈷藍。
- ultramarine
a very deep blue, slightly more purple than cobalt
- navy blue
a very dark blue, less bright than cobalt
文法句型
[adjective] + cobalt
shade / tone of cobalt
用法筆記
Can be used with both countable patterns (a bright cobalt) and uncountable patterns (shades of cobalt). Deep, rich, and bright are the most common modifiers.
常見錯誤
cobalt — 形容詞
- cobaltpositive
- more cobaltcomparative
- most cobaltsuperlative
1. describes a material or object that is a deep shade of blue, sometimes with a hi
鈷藍的
深藍色的（帶綠色調）
describes a material or object that is a deep shade of blue, sometimes with a hint of green, like the colour made from the metal cobalt.
The artist used cobalt paint to create the deep blue waves in the seascape.
藝術家使用鈷藍色的顏料來畫海景中深藍色的波浪。
cobalt + noun (paint)
David admired the cobalt tiles on the roof of the old mosque.
David 欣賞著那座古老清真寺屋頂上的鈷藍色瓷磚。
Aisha bought a cobalt scarf to match her winter coat.
Aisha 買了一條鈷藍色的圍巾來搭配她的冬季外套。
The cobalt water of the lake looked almost unreal against the grey cliffs.
在灰色懸崖的襯托下，湖水那鈷藍色的水面看起來幾乎不真實。
Yuki decorated the nursery with cobalt curtains and a soft white rug.
Yuki 用鈷藍色的窗簾和柔軟的白地毯來裝飾嬰兒房。
文法句型
cobalt + noun
用法筆記
Used only before a noun (attributive position). Cannot be used after a linking verb: say the cobalt door, not the door is cobalt.