流动水,医用内镜专用流动水清洗消毒槽。
霍尔给学生们放了肯尼亚茅屋的幻灯片,让他们想像没有流动水的生活。
Hall showed her students slides of Kenyan mud huts and asked them to imagine living without running water.
富含二氧化碳的不流动水迹象已经被发现,在南极洲和南非中间的南冰洋海床以下3700米。
Signs of stagnant CO2-rich water have now been discovered 3700 metres beneath the Southern Ocean's seabed, between Antarctica and South Africa.
近几年,科学家们研究发现在南极的多数厚重冰层下潜藏着流动水,据此他们推断在水世界中潜藏着巨大的的微生物群体。
In recent years scientists have learned that liquid water lurks under much of Antarctica's massive ice sheet, and so, they say, the potential microbial habitat in this watery world is huge.
Energy can flow across the glass but I put a lid on top, and so the water can't get out.
能量可以穿过杯壁流动,但是我在顶上加了盖子,所以水不能跑出来。
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