ground alert
英
美
- n.戒备状态；进入戒备状态之信号
双语例句
- They have put the army on the alert.
他们已使军队进入戒备状态。 - These networks are on the alert for warning signs that show the weakening of rock layers that can precede an earthquake.
这些网络始终处于戒备状态，搜索地震前岩石可能松动的警告迹象。
用作名词 (n.)
相关词汇
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