VOA慢速英语:Fishermen in Cambodia Hurt by New Dam in Laos(翻译)

短语讲解：

1. About 70 million people depend on those fish.

depend on 依赖; 相信; 信赖
例句：Yon may depend on it that they will support you.
你相信好了，他们会支持你的。

2. Over the last 20 years, the number of people who depend upon the Mekong River and its delta area has increased by at least 10 million people.

at least 至少
例句：In fact it requires at least n generators.
事实上，它至少要有n个元素。

3. This has increased the demand for fish and has led to something scientists call “fishing down.”

lead to 导致; 把…带到; 领到; （道路） 通向
例句：He speculated that this might lead to a success.
他推测这可能会导致成功。

4. That is when large fish are no longer being caught.

no longer 不再
例句：He could no longer hold back his tears.
他再也忍不住自己的眼泪。