He can swim up and down the river many times.

他能够在河里游上游下好多次。

Ice bears can swim up to 100 miles at a time.

北极熊可以一口气游一百英里。

When you swim up - stream you have to stem the current.

你向上游游泳时,必须逆流而行.

I would swim up and down and all around in laps of two or three.

我会游泳，向上和向下，并在各地圈的两个或三个。

They've been known to swim up to a hundred kilometers in a day.

它们可以在一天之内游到一百公里的里程。

A Pacific salmon struggles to swim up a stream on Kodiak Island.

一只太平洋大马哈鱼正在科迪亚克岛的一道小溪中艰难的逆流而上。

I appreciated that I could grab good Mexican food at the swim-up bar.

我和高兴的品尝了上游酒吧所做的美味的墨西哥餐。

Swimmers dive in and swim up first length. They are all packed tightly together.

选手们跳入水中尽力前游, 他们互相间追得很紧.

When a dolphin is injured, other dolphins help it swim up to the surface and get some air.

如果一只海豚受伤了，那么其他海豚也会帮助它一直游到岸边以呼吸新鲜空气。

You truly can swim up to a Mola, they're very gentle, and if you approach them right, you can give them a scratch and they enjoy it.

你真的可以游到翻车鱼身边，它们很温和，如果你靠近得当，你就能给它们抓抓痒，它们会很享受。