Megarad
n. [核]兆拉德(吸收剂量的标准单位)
🗣️ 情景例句
Don't you see?
你不知道吗?
The girls all went crazy over him.
姑娘们都为他神魂颠倒。
But suppose the earth could be covered with sensors spaced one foot apart,
假设地球上可以布满传感器，每个相隔1英尺，