Sievert
unit [核]西韦特单位(γ射线剂量单位)
🗣️ 情景例句
Take care on your way back.
回程保重了。
He who risks nothing, gains nothing.
不入虎穴，焉得虎子。
together with a note which said: 'A thief, yes, but only 50 per cent a thief!'
“一个小偷，是的，但只是一个50%的小偷！”