Essentiale
肝得健
🗣️ 情景例句
Have you ever been to Niagra Falls?
你去过尼亚拉加瀑布吗？
I'm being kept very busy with my required reading for Sosh this quarter.
本学期有许多必须为上社会学而读的东西，我太忙了。
If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours.
如果不是因为土壤下面有一层坚硬的岩石，他们的营救工作仅用几个小时就可以完成了。