n. a simple machine that gives a mechanical advantage when given a fulcrum
n. a flat metal tumbler in a lever lock
词态变化
复数形式:levers
过去式:levered
现在分词:levering
过去分词:levered
第三人称单数:levers
常见例句
1
cleverly amusing in tone
2
subject to a beating, either as a punishment or as an act of aggression v hit repeatedly v move rhythmically v shape by beating v make a rhythmic sound v glare or strike with great intensity v move with a thrashing motion v sail with much tacking or with difficulty v stir vigorously v strike (a part of one's own body) repeatedly, as in great emotion or in accompaniment to music v be superior v avoid paying v make a sound like a clock or a timer v move with a flapping motion v indicate by beating, as with the fingers or drumsticks v move with or as if with a regular alternating motion v make by pounding or trampling v produce a rhythm by striking repeatedly v strike (water or bushes) repeatedly to rouse animals for hunting v beat through cleverness and wit v be a mystery or bewildering to v wear out completely
3
project as a cantilever v
4
v project as a cantilever v construct with girders and beams such that only one end is fixed
5
n projecting horizontal beam fixed at one end only v project as a cantilever v construct with girders and beams such that only one end is fixed