Air relief valve
[化] 排氣閥; 放空閥
?? 醫學釋義
減壓閥
?? 詞語組成解析
air
[??]
n. 天空;氣氛;空運;（簡單易記的）曲調;
vt.& vi. 晾曬;烘干;播送;廣播;
vt. 使房間通風， 透氣;
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
What's the exchange rate today?
今天的兌換比率是多少？
Hide nothing from thy physician.
切莫諱疾忌醫。
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋測得一個個海水深度，同時通過挖掘海底，取得了研究海底的首批樣品。