An insect's versatile antennae can move up and down or laterally.

昆虫灵活的触角能够上下或向侧边自由转动.

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He just makes the arms and legs move up and down.

他只是把这些胳膊和腿上上下下的移动.

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Let it move up and down deep in your heart.

任凭着它们在心灵深处,升起,降落,不断回荡.

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Out in the fields the oil pumps move up and down , like metronomes keeping time.

北美煤炭公司的大卫斯特里如是说, 他也是该项目的合伙人.

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Effective Range: The range of motion used when the knees move up and down.

有效范围: 膝盖上下移动的范围.

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In other cases, the plates may move up and down, rather than from side to side.

其他情况下, 板块会上下运动, 而不是从一边移动到另一边.

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Flexible joints allow the rear axle and wheels to move up and down without affecting operation.

灵活的接头使得后轴和后轮能够上下运动而不影响操控.

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