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- 在树林中走了一个小时而没有见到什么值得注意的东西，这怎么可能呢？
How was it possible to walk for an hour through the woods and see nothing worthy of note?
- 我时而喜欢抽一支大雪茄烟。
I like to smoke a big cigar every now and then.
- 他讲话中时而不自觉地冒出地方方言。
Every now and then he would lapse into the local dialect.
- 她时而到楼上看看他是否还在睡著。
Every now and again she went upstairs to see if he was still asleep.
- 他时而去看看他的祖母。
He went to see his grandmother every now and then.
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