释义 |
ˈtwo-stroke, a. (and n.) [stroke n.1 12 c.] Working mechanically by means of a succession of reciprocal movements, in and out or up and down; applied esp. to (vehicles having) internal-combustion engines in which the power cycle is completed in one upward and one downward stroke of a piston. Also as n., a two-stroke engine or vehicle.
1855Bain Senses & Int. i. ii. §21. (1864) 59 The two-stroke movement of the lungs. 1900Engineering Mag. XIX. 788/1 Two-Stroke Oil Engines. 1902P. N. Hansluck Automobile vi. 113 Motors of the four-stroke cycle consume less fuel than motors of the two-stroke cycle. 1936Economist 2 May 234/1 In a two-stroke engine, each cylinder gives an impulse at every revolution of the crankshaft. 1963L. Deighton Horse under Water xiv. 59 Fernie propped his two-stroke against the baker's shop. 1972J. McClure Caterpillar Cop ii. 19 The lights pulsed to the quick beat of the two-stroke. 1975D. Malouf Johnno x. 109 All one scorching summer I blazed from suburb to suburb on a Fanny Barnet two⁓stroke. 1982Sunday Tel. 1 Aug. 6/1 It [sc. a free-wheel device] was..also used by Saab, mainly on its two-stroke models. |