Microdosimetry
[化] 微剂量学
🗣️ 情景例句
I hear the exams will be very tough.
我听说考试挺难的。
Before you go on, I have a question.
在你接着干之前，我有一个问题。
Firemen had been fighting the forest for nearly three weeks before they could get it under control.
消防队员们同那场森林大火搏斗了将近3个星期才最后把火势控制住。