| ||||||||
|
Today, most countries in the world have canals.Many countries have built canals near the coast, and parallel1 1 the coast.Even in the twentieth century, goods can be moved more cheaply by boat than by any other 2 of transport.These
点击  收听单词发音
|
||||||||
TAG标签：
- 发表评论
-
- 最新评论 进入详细评论页>>
