VOA慢速英语:China Criticizes US Navy Operation in South China Sea

短语讲解：

1. A Defense Department official said the Navy carried out the operation to “challenge excessive maritime claims” by China, Taiwan and Vietnam

carry out 进行; 执行; 完成
例句：No matter what we do, we must carry out our duties.
无论干什么工作,我们都应履行自己的职责。

2. Tensions over the competing claims are expected to be discussed when U.S. President Barack Obama visits Vietnam later this month.

be expected to 被期待做某事; 有望做某事; 期许
例句：Population density can be expected to be related to wastewater treatment costs in several ways.
人口密度从多方面影响到废水处理费用。

3. But it also pointed out violations and abuses, including political restrictions and arbitrary arrests and detentions.

point out 指明; 指出，把注意力引向…; 提示
例句："No matter who point out our shortcoming, we will correct them."
不管谁指出我们的缺点，我们都改正。