| 单词 | 公里时 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔pain barrier〕He broke through the pain barrier at 25 kilometres and went on to win his first marathon.他克服了 25 公里时的痛苦极限，进而赢得了他的第一个马拉松冠军。牛津高阶They were going at about 60 kilometres an hour when their car hit the tree.他们的车在时速60公里时撞到了树上。剑桥国际 |
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