VOA慢速英语:Whale Deaths On the Rise in Alaska

短语讲解：

1. Scientists say it grew big because of warm water and sunny, calm weather.

because of 由于
例句：All the planes were socked in yesterday because of the thick mist.
由于雾大，昨天所有的飞机都停飞了。

2. Deborah Fauquier says scientists will look for evidence of the harmful alga in the whales.

look for （某人或某物） 寻找; （麻烦）
例句：I look for you everywhere continuously!
我一直在到处找你！

3. At the beginning of the melt season, Arctic sea ice was at its lowest level ever recorded.

at the beginning of 在…之初
例句：At the beginning of liberation, the factory was an awful mess.
解放初，这个工厂是个烂摊子。

4. And so then the predators that are mobile are going to have to follow those fish or if they can’t follow them, then they can starve.

be going to 就要; 要，会，将要
例句：It felt pleasant to be going to work.
走上工作岗位是很愉快的。