Southern humpbacks have travelled 4,000 miles from the equator to get here in time for the Antarctic summer.南方的座头鲸从赤道出发，长途跋涉四千英里以赶上南极的夏天

in time:及时

We're just in time to catch the train.

我们正好赶上了火车。

He brake his car just in time to avoid an accident.

他及时煞车，避免了一次事故。

The remnants of the sea ice are occupied by sunbathing seals沐浴着阳光的海豹慵懒地躺在浮冰上

occupy by:被...占据

His habitual place at the table was occupied by a stranger.

他惯常坐在桌旁的位置被一个陌生人占据了。

The capital has been occupied by the rebel army.

叛军已占领了首都。

occupy常用句型:

用作动词 (v.)

occupy in〔with〕 (v.+prep.)

1.从事于; 忙于 engage in (doing sth); busy oneself in (doing sth)

occupy oneself in〔with〕 v-ing

He occupied himself in collecting stamps.他忙于集邮。

They are occupying themselves in growing their own food.他们自己正忙于种植自己所需的粮食。

用于 be ～ed 结构

He has been deeply occupied in listening to a tape.他一直在忙于专心听录音。

He was occupied in writing letters.他忙于写信。