慢速英语:US Downgrades Thai Air Safety

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短语讲解：

1. Thailand’s Prime Minister, Prayut Chanocha, has ordered air transport officials to improve flight safety because of international criticism.

because of 因为，由于
例句：The journey was slow because of continual stops.
由于常常停下来，所以行程很慢。

2. In March, the International Civil Aviation Organization (ICAO) reported concerns about Thailand’s aviation safety.

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

3. He noted that the airline no longer flies directly to the United States.

no longer 不再，已不
例句：He could no longer hold back his tears.
他再也忍不住自己的眼泪。