When I was researching this for a study a few years ago, I visited a couple of these typical limestone caves, and they were all very wet, you know, from streams and rivers.

几年前我做这项研究时，我探访了其中几个比较典型的洞穴，它们都很潮湿，你们也知道这是因为小溪和河流的缘故。

youdao

A British couple said that they encountered a great white shark when it nudged their dinghy as they fished at the Perth beach of Australia's west coast.

一对英国夫妇说，他们在澳大利亚西海岸的珀斯海滩钓鱼时遇到了一条大白鲨，当时鲨鱼在水下轻推了他们的小船。

youdao

When the man realized that the couple thought they were in Capri, he explained their mistake.

当这名男子意识到这对夫妇以为他们在卡普里岛时，他解释了他们的错误。

youdao

And you know, they are really nice when they light up at night. "One couple we talked to was visiting from France.

VOA: special.2010.05.07

They left when I left. A couple in the summer of 2003.

003年的夏天，我们撤离时他们也撤退了。

普林斯顿公开课 - 国际座谈会课程节选

England had shown a fighting spirit throughout but when they established a couple of good attacking positions deep in the All Blacks' half they lacked the cutting edge required to open up the visitors' solid defence.

BBC: England 6-19 New Zealand

Police said the singer had a cut lip and bruised cheek when they visited the couple's home in Atlanta on Sunday.

BBC: NEWS | Entertainment | Whitney Houston 'hit by husband'

Jeans always look better when they cost a couple of hundred dollars.

ECONOMIST: Puritanical pigeons