Sievert
unit [核]西韦特单位(γ射线剂量单位)
🗣️ 情景例句
There's no truth in it.
没有一丝一毫是真的。
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
It is important for us to express our opinions.
对我们来说，表达我们的意愿很重要。