thesis

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柯林斯星级

BNC频率: 3887

现代语料频率: 5974

大学英语六级考研英语托福雅思 GRE

n. 论题, 论文

n a colorless solid amide of acetic acid used as a solvent and in the synthesis of organic compounds

a colorless flammable gas used chiefly in welding and in organic synthesis

expressing antithesis or opposition

n a colorless flammable gas used chiefly in welding and in organic synthesis

the synthesis in living organisms of more complex substances (e.g., living tissue) from simpler ones together with the storage of energy

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