we will not run out of usable water because waste water can

we will not run out of usable water because waste water can be purified through a special process
改成虚拟语句
hyy1007 1年前 已收到2个回答 举报

dns9 幼苗

共回答了15个问题采纳率:86.7% 举报

If waste water could not be purified through a special process,we would run out of usable water.

1年前

1

超越原唱 春芽

共回答了15个问题采纳率:80% 举报

我们不会耗尽可用的水因为废水可经过一种特殊的处理

1年前

0
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