Sievert
unit [核]西韋特單位(γ射線劑量單位)
??? 情景例句
I am planning to write an editorial that I think will help you.
我計(jì)劃寫一篇社論， 我認(rèn)為應(yīng)該能幫助你們。
Who is going to show?
誰表演？
the thought of rest will be not unwelcome.
有長(zhǎng)眠的愿望未嘗不是一件好事。