And the pup won't be able to swim for another two or three days.海豹宝宝还要等两三天才能学会游泳

be able to:会, 能

I may be able to help you in some way.

我也许可以从某个方面去帮助你。

It is good to be able to cast aside winter clothes.

能把冬衣搁在一边了，真好。

Polar bears can sniff out seal holes,even if they're covered in snow.即使海豹穴埋于雪下北极熊也能嗅出它们的位置

sniff out:发现, 寻找

It's his job to sniff out abuses of power.

他的职责就是查究滥用权力的行为。

because the good times are about to come to an end.因为好时节马上就要结束了

be about to:刚要, 即将

The situation was about to boil over.

当时的形势几乎到了紧急关头。

She will be about to write a letter.

她将准备写信。