return-alert

常见例句

• One should not run about aimlessly during an alert.
  空袭警报期间不可到处乱跑。
• She is always on the alert for some new calamity.
  她总是保持警觉以防某种新的灾难。
• Keep on the alert; we're due for an inspection.
  提防着点，轮到检查我们了。
• Be sure to be watchful or alert.
  必须留神，千万要提防。
• I buy him a drink in return for his help.
  我请他喝酒以酬谢他的帮助。
• We look forward to the return of spring.
  我们期待着春天的到来。
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