level

水平, 水准, 平地

height above ground; indicator that establishes the horizontal when a bubble is centered in a tube of liquid; an abstract place usually conceived as having depth

同高的, 平坦的, 齐平的, 水平的

弄平, 夷平, 使同等, 瞄准, 对准

aim at

变平, 拉平

aim at