Dimethylnaphthylamine
[化] 二甲萘胺
🗣️ 情景例句
and he doesn't get to use it.
却又用不上。
If the sky falls,we shall catch larks.
天垮正好抓云雀；不要杞人忧天。
In a few days I was learning and enjoying it like any child.
几天之后，我像一个孩子那样学习起来--而且学得很开心。