VOA慢速英语:Hundreds of Migrants Feared Dead off Libya

短语讲解：

1. Rescue workers say most of the missing appeared to have been trapped in the wreckage at the bottom of the sea.

at the bottom of 在…的底部
例句：The book I want is (right) at the bottom of the pile.
我要的那本书（就）在这堆书底下。

2. At least nine people were killed in the attack.

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. He and Pakistani leaders were expected to talk about energy projects and plans for building roads and railroads.

be expected to 被期待做某事; 有望做某事; 期许
例句：I shall be expected to shell out the money for the party.
我将要支付这个集会的费用。

4. About 11,000 troops from both countries are taking part in the training.

take part in 参加
例句：Did you take part in the festival feast last night?
你参加昨晚的节日宴会了吗？