您要查找的是不是：
- The road opened out into a dual carriageway. 这条路已扩展成了复式车行道。
- Do wolves belong to the canine species? 狼是犬科动物吗？
- 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。
- He was wearing a strange species of hat. 他戴着一种奇怪的帽子。
- His dual role as a composer and a conductor made him very busy. 他作曲家和指挥家的双重身份使他非常繁忙。
- 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。
- At that point, the road opens out and becomes a dual carriageway. 公路在那个地方变宽了，变成了双车道。
- The giant panda has become an endangered species. 大熊猫已成了一种濒临灭绝的动物。
- 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。
- An endangered species; an endangered culture. 濒临绝种的生物种类; 濒临绝传的文化
- The training airplane has dual controls. 教练飞机有两套控制系统。
- Dual function design saves money and space. 二合一设计可节省成本及空间。
- dual species 姊妹种
- But it too had a dual character. 但是它也有二重性。
- Disturbances thus have a dual character. 乱子有二重性。
- My dual position was, in fact, a handicap. 事实上，我的双重身份对我是一个不利因素。
- This species of butterfly is widely distributed over our country. 这种蝴蝶在我国分布很广。
