| 1. | The Sahara Desert is a natural barrier between North and Central Africa. |
| 撒哈拉沙漠是北非与中非之间的天然屏障。
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| 2. | Show your ticket at the barrier . |
| 请在检票处出示票以备查验。
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| 3. | Poor health may be a barrier to success. |
| 健康欠佳可能成为取得成功的障碍。
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| 4. | The ice skater rammed into the barrier . |
| 溜冰者撞到护栏上了。
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| 5. | The crowd linked arms to form a barrier . |
| 群众臂挽着臂组成人墙。
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| 6. | A large crowd crushed past (the barrier ). |
| 大群的人挤过了(障碍物)。
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| 7. | The lorry shaved the barrier , scraping its side. |
| 那辆卡车掠过路障,刮坏了车身。
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| 8. | You must show your ticket at the barrier . |
| 必须在检票处出示票。
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| 9. | They failed to cross the barrier . |
| 他们未能越过障碍。
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| 10. | The horse took the barrier easily. |
| 那匹马轻而易举地越过了障碍物．
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