Didecylamine
二癸基胺
??? 情景例句
What does that mean when he goes,
他發(fā)出的聲音代表什么意思
Shameless!
無恥！
Would you please read the draft contract and make your comments about the terms?
請仔細(xì)閱讀合同草案，并就合同各條款提出你的看法好嗎？）