Sievert
unit [核]西韦特单位(γ射线剂量单位)
🗣️ 情景例句
so I wouldn't lose them.
免得我弄丢了。
The author of these books is a great writer.
这些书的作者是位伟大的作家。
Certainly. Do you have the shopping basket?
当然可以。你拿购物篮了吗？