英语词汇“up and down something”的释义、用法及例句-英汉例句词典-鸿札记

词汇	up and down something
例句	Idiom I looked up and down the corridor. 我来回扫视着走廊。
随便看	risen rises rise to rise to something risible rising risk risk assessment risk-averse risked riskier riskiest riskily risking risk life and limb risks risky risk your neck risottos risqué Ritalin startling startlingly start off start on

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