Ballvalve
球型人造瓣膜
🗣️ 情景例句
No way! I wouldn't touch that in any case. Don't push me!
绝不！我无论如何都不会去碰它，别逼我！
I succeeded because I willed it; I never hesitated.
我成功是因为有决心，从不犹豫。
Once in a while sailors came down, Kunta thought, to carry sick men upstairs for treatment.
偶尔水手下来，孔塔猜想是把生病的人抬上去进行治疗。