英语语法分析

There's a porpoise close behind us, and he's treading on my tail.

我们后面有一只海豚，它正踩着我的尾巴。

One would have thought that Pinocchio had turned into a porpoise playing in the sun.

人们大概会以为，皮诺乔变成了一只海豚，在阳光下玩耍。

The finless porpoise prefer to live in shallow, warm waters like those of theYangtze River.

江豚喜欢生活在长江这种较为温暖，黑暗的水中。