Valve stem
[机] 阀转杆, 阀杆
🧩 词语组成解析
valve
[vælv]
n. 阀;真空管;（管乐器的）活栓;（心脏的）瓣膜;
vt. 装阀于;以活门调节;
stem
[stɛm]
n. （花草的）茎;词干;（高脚酒杯的）脚;烟斗柄;
vt. 遏制[阻止]（液体的流动等）;阻止;封堵;遏止;
🗣️ 情景例句
If you flatter your mother a bit she might invite us all to dinner.
你如果多奉承你母亲几句话，说不定她会把我们全部请去吃饭。
If he doesn't pay, who will?
如果他不，谁要付账？
Would you like me to demonstrate it for you?
要不要我来为你示范一下？