| 单词 | alert |
|---|---|
| 音标 | [ə'lə:t] |
| 解释 | a.警惕的，机警的; n.警报 |
| 红宝书 | 【英】 adj. 警惕的,机警的(quick to think or act);n. 警报(warning); 【考】 stupor : alert / despair : hopeful(昏迷不再机警/绝望 不再有希望) 【同】 派生词: alertness (n. 警戒,戒备) |
| 字源 | alert (adv.) "on the watch," 1590s, from French alerte "vigilant" (17c.), from phrase à l'erte "on the watch," from Italian all'erta "to the height," from erta "lookout, high tower," noun use of fem. of erto, past participle of ergere "raise up," from Latin erigere "raise" (see erect). The adjective is attested from 1610s, the noun from 1803, and the verb from 1868. Related: Alerted; alerting. |
| 不择手段背单词 | adj. 警惕的, 机警的(思维反应迅速且感觉灵敏的); n 警报 = warning 【例】No one alert 一级战备 air-raid alert 空袭警报be on the alert 注意 He is an alert boy 他是一个机警的孩子. 【记】玩过RED ALERT《红色警报》的朋友一定对该词深有感触, 对于没玩过的, 我只能说—你人生不完整. 【类】stupor: alert = despair: hopeful昏迷不再机警 = 绝望不再有希望 |
| 趣味全助记 | 【记】all light 灯全打开→将灯全打开，保持警惕 |
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