Look at the ducks. They can swim.
看看这些鸭子。它们能游泳。
They can swim. So can our teacher.
他们会游泳,我们老师也会。
它们能游得非常快。
And when it is hot outside, they can swim in the outdoor pool.
VOA: special.2009.05.08
In fact, that's their preferred state is suspended in a fluid where nutrients are widely available to them, and where they can swim from one spot to another in order to get the nutrients they need, or in order to run away from toxic compounds.
事实上,细菌更喜欢生活在,营养丰富易得的悬浮液中,它们可以从一个点游动到另一点,以获取所需营养,或逃离有毒物质
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