Stopcocks
n. 管闩( stopcock的复数形式 ); 活塞; 活栓; 旋塞阀
🗣️ 情景例句
Oh, thank you.
谢谢你。
This mouse would be delicious.
这只老鼠似乎很是可口。
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。