Lever safety valve
[机] 杠杆安全阀
🧩 词语组成解析
lever
['li:və, 'levə]
n. 杠杆;操作杆;工具;
vt. 用杠杆撬动;
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
Involve the entire family in a reading project.
让整个家庭都参与阅读计划。
It's better than nothing.
总比没有好。
He will be in his small boat, Topsail.
他将乘坐他的“涛波赛”号小艇。