These whales can weigh up to 40 tonnes and move surprisingly quickly. As well as getting the camera to get the shots -这些鲸鱼有的重达四十吨而且移动速度出奇地快，所以摄影机就位拍摄的速度也要快

weigh up:估量

You should weigh up the situation.

你应该估量一下形势。

The monkeys generally weigh up to 11 kg in the wild.

这些猴子如果是野生的，通常顶多重11公斤。

as well as:和…一样，并且

He grows flowers as well as vegetables.

他既种菜也种花。

He works as well as a skilled worker.

他工作和熟练工人一样出色。

but it's not turning into a heat run yet.但是还没有要求偶竞逐的样子

turn into:（使）变成

The whole thing turned into a bitter quarrel.

整件事酿成了激烈的争吵。

Sometimes miracles can turn into nightmares.

有时候奇迹会变成噩梦.

If they get a knock from one of these guys,it could do some serious damage.要是碰到或撞到了，它们随便反应动一下，都可能造成严重的伤害

get sth from:从...得到某物/事

I get a letter from my solicitor today.

今天，我收到我律师的一封信。