And the pup won't be able to swim for another two or three days.海豹寶寶還要等兩三天才能學會游泳

be able to:會, 能

I may be able to help you in some way.

我也許可以從某個方面去幫助你。

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

能把冬衣擱在一邊了，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極熊也能嗅出它們的位置

sniff out:發現, 尋找

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

他的職責就是查究濫用權力的行為。

because the good times are about to come to an end.因為好時節馬上就要結束了

be about to:剛要, 即將

The situation was about to boil over.

當時的形勢幾乎到了緊急關頭。

She will be about to write a letter.

她將準備寫信。