Poppet valve
[化] 提升閥; 菌狀閥
?? 詞語組成解析
n. 寶貝, 有孔小珠, 隨轉尾座
valve
[v?lv]
n. 閥;真空管;（管樂器的）活栓;（心臟的）瓣膜;
vt. 裝閥于;以活門調節;
??? 情景例句
I go to brunch every Sunday.
我每星期天早午餐合吃。
I don't think you'll have any difficulty in pushing sales.
我認為你推銷時不會有任何困難。
Who says?
誰說的？