| 单词 | lever |
| 释义 | lever /lev"euhr, lee"veuhr/, n. 1. Mech. a rigid bar that pivots about one point and that is used to move an object at a second point by a force applied at a third. Cf. machine (def. 4b). 2. a means or agency of persuading or of achieving an end: Saying that the chairman of the board likes the plan is just a lever to get us to support it. 3. Horol. the pallet of an escapement. v.t. , v.i. 4. to move with or apply a lever: to lever a rock; to lever mightily and to no avail. [1250-1300; ME levere, levour for *lever < AF; OF levier, equiv. to lev(er) to lift ( < L levare to lighten, lift, v. deriv. of levis light) + -ier -IER2] |
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