They teach people how to repair their clean water pumps.
他们教人们如何修理干净的水泵。
单词 | clean water pump |
释义 |
clean water pump
原声例句
环球慢速英语 They teach people how to repair their clean water pumps. 他们教人们如何修理干净的水泵。 环球慢速英语 Clean water pumps keep people from using dirty river water for drinking. 干净的水泵使人们不用饮用不干净的河水。 |
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