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Sentence examples
雨水排水系统
yǔshuǐ páishuǐ xìtǒng
the rainwater drainage system
雨水收集利用
yǔshuǐ shōují lìyòng
collection and use of rainwater
依赖雨水作为饮用水源
yīlài yǔshuǐ zuòwéi yǐnyòng shuǐyuán
to depend on rainwater as the source of drinking water
