"Flip" is a short, sharp word for a short, sharp action. "Flip-flop" arose in imitation of the action of going quickly back and forth.
他们听上去都是拟声词flip音节短促尖锐 用以描述快捷疾速的动作.flip-flop的发音模拟快速往复的动作.flap听上去不正象旗帜和船帆在风中拍打的声音吗?
Pretty sharp analysis. I think we are all waiting for some action, and weary of the words.
非常敏锐的分析，我想，我们也在等待更多的行动，对口头承诺有些疲倦了。
Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, the ability to turn certain blue vegetable dyes red.
酸是一种化合物，它在溶于水时具有强烈的气味，它对金属具有腐蚀的作用，并且它具有把某些蓝色植物染料变红的能力。
Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red.
酸是一种化合物，它在溶于水时具有强烈的气息和对金属的侵蚀性，而且能够使某些蓝色植物染料变红。
Therefore, the action-oriented teaching mode gets very valued extensive recognition in Germany, was praised " sharp tool" of vocational education field in Germany.
因此，行动导向教学模式在德国职教界受到极其广泛的重视，被誉为德国职业教育的“锐利工具”。
He shouted"Quick march! " at the same time suiting the action to the words, in sharp military steps.
他嚷道：＂快步走！＂与此同时，就照着自己的话，以明快的军人步伐走掉了。
This paper presents the surface characteristics of the inter-action between shock wave and turbulent boundary layer induced by sharp fin with emphasis on Mach number effects.
本文介绍了尖前缘翼诱导激波和湍流边界层干扰流场壁面特性，着重强调马赫数影响。
Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red.
酸是一种化合物，它在溶于水时具有强烈的气味和对金属的侵蚀性，并且能够使某些蓝色植物染料变红。
Use a sharp knife that slices cleanly through the fish in one action.
应当用一把锋利的刀将其一次性一刀就切下来。
Use a sharp knife that slices cleanly through the fish in one action.
应当用一把锋利的刀将其一次性一刀就切下来。
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