名词
中文翻译：Unknown
同义词：
['1. pumper', '2.waterer', '3. waterer']
例句：
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1. The farmer used a whapper to clear the streambed.
农民使用一个打水器来清理河道。
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2. The children were playing with their whappers when it started raining.
孩子们在下雨前和他们的水枪玩耍。
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3. The old man was whapping the leaves off the trees.
老人正在用水枪把树叶吹落。