Tetracetate
四乙酸鹽[酯]
??? 情景例句
That's out of the question.
決不可能。
As you travel westward,does the land get higher?
當你向西旅行，陸地變得更高？
It is only in the study of man himself that the major social sciences have substituted the study of one local variation, that of Western civilization.
只是在對人類自身的研究中，各主要的社會學(xué)科才用對一個局部地區(qū)各種情況的研究（如對西方文明的研究）來代替對全人類的研究。