详细解释:n. 杠杆支点, 支点
【机】 支点
词型变化:
名词复数:fulcrums英语解释:
名词 fulcrum:
the pivot about which a lever turns例句:
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