1、The threat of a terrorist attack is rated as low.
* 的威脅被列為低級別。

2、Fear of terrorist attack has turned the conference centre into a fortress.
由于害怕 * 襲擊，會議中心已變成了堡壘。

3、Six people were killed in the terrorist attack on the airport.
6人在機(jī)場的恐怖主義襲擊中被殺害。