动词
中文翻译：Unknown
同义词：
['fall', 'descend', 'diminish', 'decrease', 'lessen', 'diminish', 'reduce', 'deplete', 'abate']
例句：
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1. The raindrops fell from thesky onto the roof.
雨滴从天空中落到屋顶上。
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2. The temperature dropped significantly overnight.
温度一夜之间显著下降。
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3. The company's profitshave been dropping year by year.
这家公司的年利润逐年下降。