| 释义 |
valve/vælv/n. 1 a device for controlling the passage of fluid through a pipe etc., esp. an automatic device allowing movement in one direction only 阀(门)，活门 2 Anat. & Zool. a membranous part of an organ etc. allowing a flow of blood etc. in one direction only 【解】【动】瓣，瓣膜 3 Brit. [英] = THERMIONIC VALVE 4 a device to vary the effective length of the tube in a brass musical instrument (指铜管乐器上的)活瓣 5 each of the two shells of an oyster, mussel, etc. (指牡蛎、贻贝等的)贝壳 6 Bot. each of the segments into which a capsule or dry fruit dehisces 【植】(指荚果或干果的)裂爿 7 archaic a leaf of a folding door [古义]折叠门的一扇 □ valvate /-veit/ adj.□ valved adj. (also in comb. 亦用于复合词)□ valveless adj.□ valvule n.[Middle English from Latin valva ‘leaf of a folding door’] |