Valve
[ v?lv ]
第4級
其它 Other
n. 閥;真空管;（管樂器的）活栓;（心臟的）瓣膜;
vt. 裝閥于;以活門調(diào)節(jié);
?? 例句
The connecting rod may drive a valve stem directly.
連桿可以直接帶動閥門的把柄。
act [serve] as a safety valve for...
作為對…的安全角 [閥] ; 作為發(fā)泄 [解決] …
The ileocecal valve and terminal ileum are usually dilated rather than stenosed.
回盲部和末端回腸常呈擴(kuò)張面而不狹窄。
The valves of the heart allow the blood to pass in one direction only.
心臟的瓣膜使血液只能朝一個方向流動。
The stem has a slightly smaller diameter than the valve bore.
閥桿的直徑略小于閥體孔的直徑。
?? 聯(lián)想助記
【串】老戰(zhàn)士昏倒以后revive(復(fù)蘇),內(nèi)心幸survive(幸免),檢查心臟valve(瓣膜),發(fā)現(xiàn)子彈twelve(十二個)
【記】※ valve-閥,value-價值:排氣閥的價值
※ va-維生素A,l-似數(shù)字“1”,ve-維生素E:科學(xué)家把連通器中間加了一個閥,一面放維生素A,一面放維生素E
? 同義詞
?? 牛津釋義
valve
n
1 mechanical device for controlling the flow of air, liquid or gas in one direction only 閥; 閥門; 活門
the inlet/outlet valves of a petrol or steam engine 汽油發(fā)動機(jī)或蒸汽機(jī)的進(jìn)給[排放]閥
the valve of a bicycle tyre 自行車胎的氣嘴
a safety, exhaust valve 安全閥、 排氣閥. =>illus at App 1 見附錄1插圖, page xiii. Cf 參看 tap1 1.
2 structure in the heart or in a blood-vessel allowing the blood to flow in one direction only （心臟或血管的）瓣膜.
3 device in certain brass musical instruments, eg cornets, for changing the pitch by changing the length of the column of air （管樂器的）活塞. =>illus at App 1 見附錄1插圖, page x.
4 (biology 生) each half of the hinged shell of oysters, mussels, etc 貝殼瓣. Cf 參看 bivalve.
5 = vacuum tube.
?? 考研助記
諧音“閥” 閥門價值(value)5塊(v)錢
?? 擴(kuò)展釋義
*[v?lv]n. 活瓣, 閥, 活門vt. 裝閥, 用閥調(diào)節(jié)vi. 裝閥, 用閥調(diào)節(jié)【化】 閥【醫(yī)】 瓣, 瓣膜; 閥, 活門
?? 醫(yī)學(xué)釋義
①瓣膜 ②閾，活門 ③電子管
?? 同為「博士」詞匯
查看全部博士詞匯 ›??? 情景例句
I've just called the Frist Aid Centre.
我剛才已經(jīng)給急救中心打了電話。
They've got a special exhibition on this month.
這個月他們舉辦特別的展覽。
When Gary told me that he wanted to be a painter, I refused to give him any money.
當(dāng)加里告訴我他想要當(dāng)畫家的時候，我拒絕給他錢。