Tetramethylpiperidone
[化] 四甲基哌啶酮
🗣️ 情景例句
Can you give me a loan?
你能借我点钱吗？
Would you please hold the door open for me?
可以请你为我把门拉着吗？
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。