| 释义 |
〔fulcrum〕The point or support on which a lever pivots.支点：杠杆的支点或支轴〔swing〕To turn in place on or as if on a hinge or pivot.回转：绕或好象绕枢纽或支点转向某位置〔cantilever〕A member, such as a beam, that projects beyond a fulcrum and is supported by a balancing member or a downward force behind the fulcrum.悬臂，支架：伸在支点之外的一个构件，如一段横梁，由与其持平衡的或向下的在支点后面的一个力支撑 |