VOA慢速英语:Plankton More Important than Scientists Thought

短语讲解：

1. They live close to the water’s surface in oceans, seas and lakes.

close to 离…近; 与…关系密切;
例句：All feel close to the top because they are close to the top.
由于他们能靠近上级，所以都感到和上级接近。

2. These plants live in the part of the water where the sun reaches.

live in 住在学习[工作]的地方; 住在（某地）
例句：We used to live in Shanghai but now we live in Beijing.
我们以前住在上海，但现在住在北京。

3. One group identified more than 40 million plankton genes formerly unknown to scientists.

more than 超过; 不只是; 很; 在…次以上
例句：If you buy more than three!
如果你买超过三件就可以！

4. The collected information will be used to identify which of the plankton have little or no trouble reacting to changing water conditions.

be used to 习惯于，适用于
例句：Rubber is used to insulate electric wires.
橡胶被用来使电线与外界绝缘。