1. It was probably once connected to South America, but the continents separated as the earth’s plates moved.
澳洲很可能曾经同南美洲连在一起，但是随着地球板块的活动而分离开了。
connect to / with ：与……有联系／连接
The child connected the moon with a fairy tale his grandma told him.
separate：分离 短语：separate…from….
