Beir
abbr. biological effects of ionizingradiation 电离辐射生物效应
🗣️ 情景例句
He gives his harness bells a shake
摇动， 绳上的铃铛
The doctor did not reveal to him his hopeless condition.
医生没有向他透露说他的病已经没治了。
By the end of next year, they will have finished work on the new stadium.
到明年年底，他们将把新体育场建成。