单词 | downward force |
例句 | DEFINITIVE EXAMPLES 权威例句〔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美国传统 |
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