51
fifty-one
🗣️ 情景例句
I think I did the right thing
我觉得我做了一件对的事
How much does she eat?
她要吃多少？
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。