chem
chem — 名詞
1. an informal shortened form of the word 'chemistry' — the science that studies wh
化學
化學科或化學課的非正式簡稱
an informal shortened form of the word 'chemistry' — the science that studies what substances are made of and how they change when they mix or react with each other.
Hiro signed up for chem this semester because he wants to become a pharmacist.
Hiro 這學期選修了化學課，因為他想當藥劑師。
informal abbreviation for the school subject
Romi spent the afternoon in the chem lab, mixing solutions for an experiment.
Romi 整個下午都待在化學實驗室裡，為一個實驗調配溶液。
chem lab — common collocation for school laboratory
The chem exam next week covers organic compounds and chemical bonds.
下週的化學考試涵蓋有機化合物和化學鍵。
Faisal asked his teacher for extra help with chem after class.
Faisal 下課後請老師幫他加強化學。
Ingrid's favorite subject at school is chem because she loves doing experiments.
Ingrid 在學校最喜歡的科目是化學，因為她熱愛做實驗。
- chemistry
the full, formal term; use in formal writing
文法句型
used as an informal short form of 'chemistry'
用法筆記
Used mainly in informal spoken and written contexts. In formal academic writing (e.g. research papers, official transcripts), the full word 'chemistry' is preferred.
常見錯誤
chem — 形容詞
- chempositive
- chemmercomparative
- chemmestsuperlative
1. an informal abbreviation of the word 'chemical', used before nouns to show a con
化學的
化學的非正式簡稱（形容用法）
an informal abbreviation of the word 'chemical', used before nouns to show a connection to chemistry — for instance, a 'chem plant' where industrial chemicals are made.
The chem plant near the river was inspected for safety violations last month.
河邊那間化工廠上個月因為安全違規被檢查了。
chem plant — abbreviation before a noun of place
Brian works as an engineer at a large chem company in Houston.
Brian 在休士頓一家大型化工公司擔任工程師。
The chem supply store on Main Street sells everything from beakers to safety goggles.
Main Street 上的化學用品店從燒杯到護目鏡應有盡有。
Talia's father is a chem researcher who develops new materials for batteries.
Talia 的父親是化學研究員，專注於開發電池新材料。
- chemical
the full adjective form; preferred in formal registers
文法句型
used before nouns as an informal abbreviation of 'chemical'
用法筆記
Common in workplace and trade contexts (chemical industry, laboratories). In formal writing, use the full adjective 'chemical'.
chem — 縮寫
1. a written abbreviation used in notes, lists, labels, or timetables to stand for
化學；化工
化學、化工或化學家的書面縮寫
a written abbreviation used in notes, lists, labels, or timetables to stand for the words 'chemical', 'chemist', or 'chemistry'.
The timetable read 'Chem 101' as the course code for introductory chemistry.
課表上寫著「Chem 101」，是基礎化學的課程代碼。
course code format — 'Chem + number'
A small label on the storage cabinet said 'Chem — handle with care.'
儲物櫃上貼了一張小標籤，寫著「Chem — 小心處理」。
abbreviation on safety labels
Mert added 'Chem' to his shopping list next to the cleaning supplies he needed.
Mert 在購物清單上寫了「Chem」，提醒自己要買清潔用品。
The textbook cover had 'Chem. Dept.' printed at the bottom.
課本封面的下方印有「Chem. Dept.」（化學系）。
文法句型
used in notes, labels, timetables, and lists as a written abbreviation
用法筆記
Common in British English in educational contexts, such as on exam papers, course timetables, or bottle labels. A full stop (period) may follow the abbreviation: 'Chem.'.