1. The child levered up the stone slab,but found nothing. 小孩撬起了石板，但什么也没有发现。
2. This kind of lever will save us much effort. 这种类型的杠杆节省我们许多气力。
3. The lever handle with plastic cover is standard. 带有塑料套的杆状手柄是标准配置。
英英解释
n.
1. a rigid bar pivoted about a fulcrum
2. a simple machine that gives a mechanical advantage when given a fulcrum
3. a flat metal tumbler in a lever lock v.
1. to move or force, especially in an effort to get something open
