| 1. | The stars were clear and almost tropically bright .
星光明亮就像在热带似的。 |
| 2. | Termites are principally tropical in distribution .
白蚁主要分布在热带地区。 |
| 3. | The food undergoes no deterioration in the tropics .
这种食品在热带地方不会变质。 |
| 4. | A coral reef may build up to the surface of the tropical ocean .
在热带海洋，珊瑚礁可一直筑到海面。 |
| 5. | They are more prevalent in soils of the tropical and subtropical regions .
它们在热带和亚热带地区的土壤中较为普遍。 |
| 6. | In the tropical forests the american indians became hunters of birds and small game .
在热带森林里美洲印第安人成了捕取鸟类和小动物的猎人。 |
| 7. | In tropical areas, larger plots have proved more useful due to greater heterogeneity of the forest .
在热带地区，由于森林的异质性较大，已证实大一些的样地更有效。 |
| 8. | 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。 |
| 9. | We have no evidence of what would happen if transfers were made between high elevational regions but vastly different day-length regimes .
假如引种是在热带高海拔地区之间进行，只是日照长短的系统有很大改变，究竟会有什么情况发生，现在还没有证据。 |
| 10. | We all languished in the tropical climate
在热带气候中我们全都变得有气无力了。 |
