Bk
[醫] 锫(97號元素)
? 同義詞
?? 牛津釋義
bk
abbr 縮寫 = (pl bks) book: Streamline Bk 2 《流線》第二冊.
??? 情景例句
Did you know I can type almost 60 words per minuter?
你知道嗎，我能每分鐘打60個字。
Don't throw out the baby with the bath water.
切勿良莠不分一起拋。
It's black. It's a black car.
是黑色的，一輛黑色的車。