chem
noun [ U ] US informal uk/kem/ us/kem/
化学（chemistry的简称）
short for chemistry : the scientific study of the basic characteristics of substances and the ways in which they react or combine
I failed chem in high school. 我高中化学不及格。
Does he love you for your charm, or because you let him copy your chem notes? 他爱你是因为你的魅力，还是因为你让他抄了你的化学笔记？
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- Deciding what to take with you to college can be as difficult as organic chem.
- The specially adapted truck is like a chem lab on wheels.
- They had the ruffled look of chem students who had spent all night in the lab.
chem
adjective [ before noun ] US informal uk/kem/ us/kem/
化学的（chemical的简称）
short for chemical
Two backup generators failed when the chem plant lost power. 化工厂停电时，两台备用发电机也出了故障。
We believe they were developing bio and chem weapons. 我们相信他们正在开发生化武器。
See also: chemtrail
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- The truffle oil had a nasty chem taste.