Valval
a. 有閥門的
?? 擴展釋義
【醫】 瓣的, 瓣膜的
??? 情景例句
He came down with the flu, so he didn't go to work.
他感冒了，所以沒去上班。
I'm sorry, sir. I didn't mean it.
對不起，老兄，我并沒有惡意。
It kept repeating the steps over and over.
蜜蜂一而再，再而三地重復它的"舞步。