Piperazidine
[化] 哌嗪
🗣️ 情景例句
I'd like to treat you to dinner and a movie.
我想请你吃饭和看一场电影。
Fools never know when they are well off.
傻瓜永远不知道他们何时能享福。
'Don't interrupt,' he said.
“不要打断我的话，”他说。