把绳子拉紧，别松开Keep the rope taut.把金属线拉紧,然后把两头捻紧.Pull the wire tight and then twist the ends round.弓箭手拉紧弓弦将箭瞄准靶子.The archer strung his bow and aimed an arrow at the target....
With a low-pitched rumbling noise, the propeller began to rotate.伴随着隆隆的低沉噪声，螺旋桨开始旋转起来。Rotate the head clockwise and counterclockwise.按顺时针方向转动头部，然后再逆时针旋转。Rotate the shoulders in their sockets five times.让肩膀绕臼部转动5次。...
这一聚合物的性质目前是个商业机密。The nature of the polymer is currently a trade secret.这份材料里只有一些已公开的、非保密性质的信息。The material consisted only of already published, unclassified information.他对一些毒药的性质和作用的描述惊人地准确。Her description of the nature ...