Speleomycin
岩洞霉素
🗣️ 情景例句
How many courses are you taking this semester?
这学期你选了多少课？
Mr. Li is not afraid of working hard.
李先生不怕吃苦。
I left a suitcase on the train to London the other day.
几天前我把一只手提箱忘在开往伦敦的火车上了。