形容词
中文翻译：防水的
同义词：
['waterproof', 'impermeable例句：1. The new car has a water-tight door that keeps the rain out.（这辆新车的门是防水的，可以挡住雨水。）']
例句：
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1. The new car has a water-tight door that keeps the rain out.
这辆新车的门是防水的，可以挡住雨水。
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2. The boat was water-tight, so it could withstand the storm.
船是防水的，所以它能够抵御风暴。
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3. The sealant is water-tight, ensuring that the joints are airtight.
这种密封剂是防水的，确保接缝处空气不外泄。