Andrometoxin
[化] 石南毒素
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
They must hunger in frost that will not work in heat.
少壮不努力，老大徒伤悲。
Plenty of sleep is healthful.
充足的睡眠有益于健康。