Straight line valve
[化] 直通阀
🧩 词语组成解析
straight
[stret]
adj. 直的;连续的;直率的;整齐的;
adv. 直地;直接地;坦率地;立即;
n. 直线;直线部分;
straight(draw tight)→直立的；正直的；直线；直接地；坦白地
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
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;
🗣️ 情景例句
She has the ability to keep calm in an emergency.
她有处变不惊的本事。
He sweats with fear.
他在冒着冷汗。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。