英语词汇downward motion怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	downward motion
释义	downward motion 简明释义向下运动网络释义 1 ?向下运动 ... (方向)向下的力 downward force 向下运动 downward motion 下跌趋势 downward tendency ... 2 ?向下动作 ... 向下流动散热器：down flow radiator 向下动作：downward motion 向下的样板力：downward screed force ... 短语 1 Downward motion with left arm 左臂向下 2 to retard downward motion 缓降双语例句 1 The middle and lower level of strong acid rain weather is downward motion, inhibiting the spread of pollutants. 强酸雨天气中低层为下沉运动，抑制了污染物的扩散。 2 The key is absorbing the downward motion and reversing the force into an upward motion as rapidly and smoothly as possible. 要点就是吸收向下的动力，并尽可能迅速平稳地将这个力量转换成向上的动力。 3 After washing, starting from the bottom, gently brush hair using a downward motion and gradually move up until all of the hair is brushed. 清洗过之后，从底部开始，轻轻地向下梳头发，并且逐渐向上使整个发片都被梳理到。
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