我们可以看到海豹在海岸附近游泳。

We could see ___seals swimming near the coast.

我们乘船去观察偏远海岸上的灰海豹。

We took a boat trip to observe the grey ___seals on the remote coast.

一只好奇的海豹从水中探出头来看着我们。

A curious ___seal popped its head out of the water to look at us.