The incident has all the earmarks of a terrorist attack.
这一事件具有恐怖袭击的所有特征。
Police said the explosion bore all the hallmarks of a terrorist attack.
警方称这次爆炸具有恐怖分子袭击的所有特征。
The threat of a terrorist attack is rated as low.
恐怖袭击的威胁被列为低级别。
Fear of terrorist attack has turned the conference centre into a fortress.
由于害怕恐怖分子袭击，会议中心已变成了堡垒。
He warned of a possibility of a new terrorist attack.
他警告说可能会有一次新的恐怖袭击。
Later they said, it was a planned terrorist attack.
之后他们称这是一次有计划的恐怖攻击。
Later they said, it was a planned terrorist attack.
之后他们称这是一次有计划的恐怖攻击。
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