Tetramethylpiperidone
[化] 四甲基哌啶酮
??? 情景例句
Can you give me a loan?
你能借我點錢嗎？
Would you please hold the door open for me?
可以請你為我把門拉著嗎？
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和機械工業(yè)相比，化學工業(yè)中偶然發(fā)現的機會要多得多。