And I was researching on water purification system, which has a low impact on environment.
我在研究对环境影响小的水净化系统。
单词 | water purification system |
释义 |
water purification system
原声例句
雅思口语高分榜样 And I was researching on water purification system, which has a low impact on environment. 我在研究对环境影响小的水净化系统。 双语版 TED-Ed 演讲精选 These are the first of several planned amphibious structures, some of which house water purification systems and solar collectors. 这些是早期规划中的水陆两用建筑,其中一些安装了净水系统和太阳能收集器。 |
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