Leaf valve
[化] 叶片阀; 簧片阀
🧩 词语组成解析
leaf
[lif]
n. 叶子;页;叶状的结构;金属薄片;
vt.& vi. 翻书（报）;
vi. 生叶;
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
He has been friendlier lately.
他近来更友好了。
Try to be there by 8:15 the airport will be crowded.
尽量在8点15分以前赶到那里，到时机场会很拥挤的。
He believed that everyone should be prepared to do heavy work, from the leaders to the poorest peasants.
他认为从领袖到最穷苦的农民，每个人都该乐于从事重体力劳动。