原文视听

She seemed really relaxed, and definitely interested in me.
它看起来很放松 而且对我真的很有兴趣
It's literally just swimming around within metres of them,
它就在几公尺内
flicking its tail,
游来游去，摆动它的尾巴
just being inquisitive I think, and having a bit of fun.
很好奇吧，我想 同时又玩得很开心
It's obviously quite young,
它显然是只幼鲸
so it's staying on the surface quite a long time.
所以待在水面上的时间很长
It's not diving down for very long, maybe a couple of minutes.
潜下去的时间不长 可能才两，三分钟
The mother will be about five or ten metres below
母鲸在它下方五或十公尺的地方
just keeping an eye on it.
好就近看着它
But even a calf has great power in its fins and tail.
即使是幼鲸 它的鳍和尾巴的力量还是很大
Roger will need to be careful.
罗杰必须很小心
Got it?
拿好了
That was the most silly thing I've ever seen in my life.
那是我这辈子 看过最沉静的动物了
It was just gambolling around like a little newborn lamb.
它游来游去 像刚出生的羔羊一样
But it's two tonnes.
只不过它有两吨重

重点解释

She seemed really relaxed, and definitely interested in me.它看起来很放松而且对我真的很有兴趣

interest in:对 ... 有兴趣

I have no interest in pop music.

我对流行音乐不感兴趣。

I can't work up any interest in this book.

我对这本书提不起任何兴趣。

just being inquisitive I think, and having a bit of fun.很好奇吧，我想，同时又玩得很开心

a bit of:一点儿的

The party was a bit of a damp squib.

这次聚会有些扫兴。

I am always a bit of a duffer at maths.

我在数学方面总是有点笨。

It's not diving down for very long, maybe a couple of minutes.潜下去的时间不长，可能才两，三分钟

a couple of:两个, 几个

Give the bottle a couple of shakes before pouring the juice.

倒果汁前，先把瓶子摇几下。

I saw a couple of men get out.

我看见有几个人出去了。

just keeping an eye on it.就近看着它

keep an eye on:留意； 照看

Please keep an eye on the children.

请照看一下孩子们。

He asked his neighbour to keep an eye on his house.

他请邻居照看他的房子。