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to phrases
普通化学
pǔtōng huàxué
environ.
general chemistry
The study of the elements and the compounds they form
(对元素和它们形成的化合物的研究。)
met.
general chemistry
普通 化 学
:
4 phrases
in 4 subjects
General
1
Oil processing plants
1
Space
1
Telecommunications
1
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