The town's harbor was already full of ice, so it couldn't come by ship.
镇上的港口已经满是冰，所以它不能通过船运来。
2
It is an important ice-free harbor and the major Canadian outlet to the Pacific Ocean and the largest cargo port on the Pacific.
它是加拿大一个非常重要的不冻港，而且是加拿大通往太平洋的主要通道，太平洋最大的货运港口。
3
On the return journey, they would bring back a big block of ice bought from one of the ice boats moored in Cheung Chau harbor, which supplied the local fishing junks.