Alkylaluminium
[化] 烷基铝
🗣️ 情景例句
and how important it is for them to be paid attention to?
以及他们何等需要受人关怀吧？
A lazy youth, a lousy age.
少壮不努力，老大徒伤悲。
I have no other choice.
我别无选择。