| 单词 | twin-screw |
| 释义 | > as lemmastwin-screw twin-screw adj. having twin screws; spec. of a steamer, having two screw propellers on separate shafts, which turn in opposite directions so as to counteract the tendency to lateral vibration; also elliptical as n. a twin-screw steamer. ΚΠ 1864 Athenæum 24 Sept. 410/3 Small twin screw boats. 1884 Internat. Health Exhib. Official Catal. 94/1 Patent Twin-screw Bath Fittings. 1891 R. Kipling Light that Failed vii. 123 ‘It's a steamer,’ he said,—‘a twin-screw steamer, by the beat.’ 1897 Daily News 17 Feb. 2/7 They had increased their staff of steamboats by adding the twin-screw Connemara. < as lemmas |
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