单词 lever 释义 ▪ I. lever, n.1(liv(r), U.S. l-)Forms: 3 levere, 4 levor, 4–5 levour, 6–8 leaver, 5–lever.[ME. levere, levour, a. OF. *levere, leveour (F. leveur), agent-n. f. lever to raise; in the sense ‘lever’ recorded only once (1487) as leveur...
单词 lever 释义 lever n 1 bar or other device turning on a fixed point (the fulcrum) which lifts or opens sth with one end when pressure is applied to the other end 杠杆; 杠杆装置. 2 handle used to operate or control machinery (机器的)控制杆, 操作杆 Mo...