oicqdaniel
爬楼梯: Block and Ladder 例: 1. 电梯故障了。我们必须爬楼梯了。The elevator is out of order. We've got to go up the stairs.2. 为保持健康,我爬楼梯而不坐电梯。To keep fit, I climb the stairs rather than take the elevator.3. 爬楼梯对于心脏衰弱的人是个负荷。Climbing stairs is a tax on a weak heart.
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