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- Only a few tropical species remained in the Dulong River watershed(e.g. 4.;高黎贡山五加科植物特有现象突出。
- Hong Kong is in the Oriental Region and despite cool winters has a fauna dominated by tropical species. 香港位处东方，冬天虽然寒冷，但动物品种仍以热带为主。
- Many tropical species of broadleaved flowering plants are evergreen and their leaves are thicker and more leathery than those of deciduous trees. 许多热带的阔叶显花植物是常绿的，它们的叶远比落叶植物厚而且更为坚韧。
- Tropical species are often brightly colored. Most species have paired fins and skin covered with either bony or tooth-like scales. 热带的品种常有鲜艳的颜色。多数的鱼都有一对鳍和覆盖在皮肤上的鳞。
- Some of the tropical species are adorned with spines or ridges, imitating the thorny bushes or trees in which they live. 许多热带物种装饰有刺或起皱，模仿它们所生活的多刺植物。
- Applying the tropical species Black Cheribon as cytoplasmic source and Indian sweet Sorghum as hereditary source can afford a higher resistance to Eye-spot. 热带种黑车里本(Black Cheribon)作为细胞质源,印度种甜高梁作为遗传组成源的品种具有较高的抗性。
- The researchers found that the rate at which nucleotides changed in tropical species was more than twice that found in species from temperate latitudes. 研究人员发现热带植物的核苷酸变化速率比温带地区植物中核苷酸的变化速率高出两倍多。
- The results showed that 226 species of zooplankton were identified with 114 species of copepods occupying 50.4%, and the great majority of species are subtropical and tropical species. 结果表明：浮游动物经鉴定共有226种，其中桡足类114种，占总种数的50.;4%25，以广盐高盐亚热带和热带种为主。
- Tropical plants abound in the jungle. 丛林中有大量的热带植物。
- These tropical flowers have bright colors. 这些热带花卉颜色很艳丽。
- Is Singapore a tropical country? 新加坡是热带国家吗？
- Do wolves belong to the canine species? 狼是犬科动物吗？
- Escape with us to the tropical island of barbados. 与我们一同到巴巴多斯的热带岛屿上消遣。
- Most tropical areas have rainy and dry seasons. 大多数热带地区有雨季和旱季。
- We should do our best to save endangered species. 我们应该竭尽全力挽救濒于灭绝的生物。
- They inhabit the tropical forests. 他们居住在热带森林中。
- We've had tropical weather for the past few days. 我们过去几天遇上了酷热的天气。
- Her motherland is in the tropical region. 她的祖国位于热带地区。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- He was wearing a strange species of hat. 他戴着一种奇怪的帽子。
