| 单词 | alert |
| 释义 | alertalerteralertestalertalert1 /əˈlɜːt $ -ɜːrt/ adjective always watching and ready to notice anything strange, unusual, or dangerous: I knew that I had to remain wide awake and alert.knowhave我知道我必须保持十分清醒与警觉。alert toCyclists must always be alert to the dangers on a busy road.cyclistdanger骑自行车者必须时刻警惕拥挤道路上可能出现的危险。 |
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