M-phenylenediamine
[化] 间苯二胺
🧩 词语组成解析
苯二胺
🗣️ 情景例句
I think something he can use is the best. A watch or something.
最好是实用的，像手表啦或什么的。
Never too late to mend.
过则勿惮改。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，