1. 名詞
   alert複數: 警報
   警戒
   

   同義字詞
   admonishment,admonition,alarm,alarum,caution,forewarning,heads-up,notice,warning
   alertness,attentiveness,vigilance,watch,watchfulness
   

2. 動詞
   alert第三者單數現在式:
   及物動詞:
   向...(人)發出警報
   使...(人)警覺
   使...(人)警惕
   使...(人)注意
   給...(人)打草驚蛇
   通知...(人)
   通知...(船隻、軍隊，等)待命
   alerts ...(a: 人) to ...(b: 需注意的事等):
   

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   同義字詞
   advise,caution,forewarn,wake,warn
   

例句

1. Axis, RSS Alerts , and Alta Vista.
2. But what is happening with these alerts ?
3. The alerts will be specific to the threat.
4. This bug did not affect rising sign alerts .
5. RescueTime alerts me when I've met that goal.
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