埃迪将自动步枪的保险栓重新拉上。Eddie slipped the safety catch on his automatic back into place.给窗户装上安全锁或窗栓。Fit windows with safety locks or catches.他插上了门(栓).She bolted the door....
Either side of a right triangle that is hypotenuse.直角边直角三角形除斜边之外的两条边的任意一条.ratio of the hypotenuse to the adjacent side直角三角形的斜边与一个角的邻边之比Compute the lengths of the hypotenuse and the other small side.计算斜边和其它小的边的长度. )The hy...