Fission chainateial
[电] 对裂链锁
🧩 词语组成解析
🗣️ 情景例句
Let's eat!
吃吧！
Do you think you could keep the noise down?
你看能不能小声一些？
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。