Helamycin
[化] 喜霉素
🗣️ 情景例句
I can't figure out why he quit his job.
我不能理解他为什么要辞职。
It is lost labour to sow where there is no soil.
没有土壤，播种也是徒劳。
Oh dear! It's very cold today, isn't it?
天哪，天真冷，不是吗？