Beir
abbr. biological effects of ionizingradiation 电离辐射生物效应
🗣️ 情景例句
Excuse me. Is this seat taken?
对不起 ，请问这个座位有人吗？
Is there a public phone near here?
这附近有公用电话吗？
Mrs.Ramsay was instructed to place the money in a cardboard box and to leave it outside her door.
他让拉姆齐太太把钱放在一个纸盒里，然后将纸盒放在门口。