Valve
[ vælv ]
第4级
其它 Other
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;
📝 例句
The connecting rod may drive a valve stem directly.
连杆可以直接带动阀门的把柄。
act [serve] as a safety valve for...
作为对…的安全角 [阀] ; 作为发泄 [解决] …
The ileocecal valve and terminal ileum are usually dilated rather than stenosed.
回盲部和末端回肠常呈扩张面而不狭窄。
The valves of the heart allow the blood to pass in one direction only.
心脏的瓣膜使血液只能朝一个方向流动。
The stem has a slightly smaller diameter than the valve bore.
阀杆的直径略小于阀体孔的直径。
🌱 联想助记
【串】老战士昏倒以后revive(复苏),内心幸survive(幸免),检查心脏valve(瓣膜),发现子弹twelve(十二个)
【记】※ valve-阀,value-价值:排气阀的价值
※ va-维生素A,l-似数字“1”,ve-维生素E:科学家把连通器中间加了一个阀,一面放维生素A,一面放维生素E
✅ 同义词
📖 牛津释义
valve
n
1 mechanical device for controlling the flow of air, liquid or gas in one direction only 阀; 阀门; 活门
the inlet/outlet valves of a petrol or steam engine 汽油发动机或蒸汽机的进给[排放]阀
the valve of a bicycle tyre 自行车胎的气嘴
a safety, exhaust valve 安全阀、 排气阀. =>illus at App 1 见附录1插图, page xiii. Cf 参看 tap1 1.
2 structure in the heart or in a blood-vessel allowing the blood to flow in one direction only （心脏或血管的）瓣膜.
3 device in certain brass musical instruments, eg cornets, for changing the pitch by changing the length of the column of air （管乐器的）活塞. =>illus at App 1 见附录1插图, page x.
4 (biology 生) each half of the hinged shell of oysters, mussels, etc 贝壳瓣. Cf 参看 bivalve.
5 = vacuum tube.
🎯 考研助记
谐音“阀” 阀门价值(value)5块(v)钱
🔁 扩展释义
*[vælv]n. 活瓣, 阀, 活门vt. 装阀, 用阀调节vi. 装阀, 用阀调节【化】 阀【医】 瓣, 瓣膜; 阀, 活门
🏥 医学释义
①瓣膜 ②阈，活门 ③电子管
📖 同为「博士」词汇
查看全部博士词汇 ›🗣️ 情景例句
Yes, I'll be free. I'd like to go.
是的，有空。我想去。
Who is he?
他是谁？
I have an exhibition in London this coming month.
下个月我在伦敦要举办一次画展。