单词	principle of lever
释义	principle of lever 杠杆原理
随便看	heat exchange type heat exchanging apparatus heat-exchanging apparatus heat-exchanging process heat exchanging process heat exchanging system heat-exchanging system heat exchanging unit heat-exchanging unit heat exharution heat exhauster heat-exhaustion heat exhaustion heat exhaustions heat expansibility heat expansion heat expansion coefficient heat expense heat exposure heat exposure threshold limit value heat extraction heat extraction coefficient heat extraction cycle heat-extraction system heat extraction system 乘舆播越乘虚而入乘虚蹈隙乘虚迭出乘车戴笠乘轻驱肥乘间伺隙乘间投隙乘间抵隙乘险抵巇抻练抻面押押一注押伍押典押办押后阵押地押头