VOA慢速英语:China Warns US Spy Plane in South China Sea

短语讲解：

1. An official from China's foreign ministry said he was not aware of the event, but said he hopes the "relevant country" can respect China's "indisputable sovereignty" over the area.

be aware of 知道
例句：He cannot be aware of the soliloquies of others.
他不可能知道别人的独白。

2. U.S. officials have expressed concern about China's land-reclamation efforts at seven sites in the Spratly Islands, parts of which are also claimed by the Philippines, Vietnam, Malaysia, Brunei and Taiwan.

concern about 使（自己）关心…
例句：She showed great concern about you.
她很为你担心。

3. More than 400 Rohingya migrants who were pushed back to sea in southern Thailand last week have arrived in Indonesia.

more than 多于
例句：Rob likes apples more than bananas.
罗勃对苹果比对香蕉还喜欢。
arrive in 到达
例句：I reckon to arrive in Delhi at noon.
我估计正午抵达德里。

4. The United States and Cuba began a fourth round of talks on Thursday aimed at overcoming obstacles to opening embassies in each other's capitals and re-establishing diplomatic ties.

each other 相互
例句：Work and play shaded into each other.
工作和娱乐渐渐地融合起来。