It equalizes the pressure, so you can open the door or swim out the window.

它使得车内外的压力均衡，这样你就能打开车门或者从车窗游出去。

youdao

We came across open water which we had to swim across.

我们还遇到过无冰的水面，我们不得不游着前进。

youdao

The farm is designed for its canine residents, with lots of open Spaces for them to run around and ponds to swim in, and there's double fencing to keep them safe.

这个农场就是为这些狗狗专门设计的，里面有开阔的空间可以让它们自由玩闹，有池塘可以让它们游泳，还有双层围栏确保它们的安全。

youdao

They swim with their mouths open, cleaning the water as they move.

VOA: special.2009.06.16

Patten, 21, is no stranger to long distance swimming, having come third in the 10km open water swim and making the final of the 800m freestyle in Beijing.

BBC: Patten aiming to swim the Channel

The pool I swim in does not open until 6 a.m. and is not available in the evenings or weekends.

CNN: The key to fitness? Schedule it in

Darker-fleshed fish that swim in cold, open waters, such as tuna, herring, and mackerel, store fat in their flesh and are high in omega-3s.

CNN: How to buy the best fish