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- About 15 species: temperate Asia, Europe; one European species introduced in North America; one species in China. 大约15种：温带的亚洲，欧洲；一种欧洲的种被引进北美洲；在中国的一种。
- About 65 species: tropical America, a few species introduced in the Old World; one species a naturalized weed in China. 大约65种：美洲热带，被引进欧亚大陆的一些种；在中国的一种一根归化杂草。
- Do wolves belong to the canine species? 狼是犬科动物吗？
- He introduced a motion to the Congress. 他向国会提交了一份议案。
- He introduced me to his housekeeper. 他把我介绍给他的女管家。
- 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。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- She introduced me to her friend. 她把我介绍给她的朋友。
- Mountaineering was introduced here in1955. 登山运动是1955年在这里开始开展的。
- He was wearing a strange species of hat. 他戴着一种奇怪的帽子。
- The government has introduced a wage freeze. 政府已宣布要冻结工资。
- The next programme is introduced by Mary Davidson. 下一个节目由玛丽·戴维森主持。
- There are many species of chrysanthemum. 菊花品种很多。
- Today the survival of our species is threatened. 今天人类的生存受到了威胁。
- The giant panda has become an endangered species. 大熊猫已成了一种濒临灭绝的动物。
- He introduced himself to the people in the room. 他向房间里的人作了自我介绍。
- A new training method was introduced. 引进了一种新的训练方法。
- Unlike most other bats, this species is diurnal. 这种蝙蝠与大多数蝙蝠不同，是在日间活动的。
- This species of flower flourishes in a warm climate. 这种花在温暖的气候中长得茂盛。
- I introduced them and they hit it off straight away. 我介绍他们认识，他们一见面就合得来。
