| 1. | Night descends quickly in the tropics .
热带地区黑夜来得很快。 |
| 2. | The heat in the tropics can be oppressive .
热带气候热得难受。 |
| 3. | Darkness falls quickly in the tropics .
热带地区天黑得很快。 |
| 4. | The food undergoes no deterioration in the tropics .
这种食品在热带地方不会变质。 |
| 5. | A cyclone in the tropics is caused by a smaller area of low pressure .
热带暴风是由小面积低压引起的。 |
| 6. | Only in the tropics were numerous late cretaceous groups extinguished during peaks in their evolution .
只是热带地区才有大批晚白垩纪生物类群正值其演化的极盛时期突然消亡。 |
| 7. | It must work both at high altitudes where the temperature may be below freezing point and in the hot air of an airfield in the tropics .
它能在气温达冰点以下的高空工作，又能在热带地区机场的高温条件下工作。 |
| 8. | It is argued in opposition to these views that temperate-zone visitors in the tropics are listless not because of the temperature but because of their inability to adjust culturally .
相反的意见认为，温带居民到热带旅行，之所以无精打采，并非由于温度，而是由于文化上不适应。 |
| 9. | It ' s caught in the tropic forest of xishuang banna
它是从西双版纳热带森林捕来的。 |
| 10. | In the tropics , they don ' t need winter clothing
在热带人们不需要冬季服装。 |
