单词 | alert |
释义 | alert /E5lE:t/ a. 警觉的,留神的,注意的 vt. 1.向...报警,使警惕2.使认识到,使意识到 n. 1.警戒(状态),戒备(状态)2.警报 【同】wide awake; observant; warning 【例】With the exception of the instinct of self-preservation, the propensity for emulation is probably the strongest and most alert and persistent of the economic motives proper. 除了自我保护本能以外,努力追上并超越他人的习性很可能是真正的功利性动机中最强烈、最活跃顽固的Although he's over eighty his mind is still remarkably alert. 他虽已年过八十,但头脑仍然十分机敏。" |
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