The organisms that stay in the tube of toothpaste are the fittest. The others get flushed down the drain.

最终，管子是会破的，停留在牙膏管里的是适者，其他的就付之东流了。

youdao

Between your middle ear and your throat there is a passage called the eustachian (say: yoo - stay -she-un) tube.

耳朵感染是怎样引起的？中耳和咽喉之间的通道叫耳咽管。

youdao

In order to stay as more microorganism as possible in the river on trial, tube biological carriers were set in the river.

为了使投加的微生物能尽可能多的停留在河里，在试验河段中部设置了管式生物载体。

youdao

The red plastic caps don't stay on the cans and there's no snap to hold the auxiliary spray tube.

FORBES: Johnny One-note

One user asks how ministers "stay in touch" with their areas of responsibility - do transport ministers use buses and the Tube, for example.

BBC: PM launching online question time