垂直: perpendicular; vertical; squareness; verticality; perpendicularity 短语和例子两线垂直相交。the two lines meet at right angles. 设 ab 垂直于 cd。let ab be perpendicular to cd. 当表面与射线垂直时，射线的强度最大。when a surfa
推: 动词1.(向外用力使物体移动) push; shove 短语和例子把门推开 push [shove] the door open; 推铅球 put the shot [weight]; 顺水推舟 push the boat along with the current; 他把我从房间里推了出来。 he shoved me back out of the room.2.(磨或
