ravens怎么读，ravens的音标和真人发音
英音
['rævənz]
美音 ['rævənz]
ravens是什么意思，ravens的意思是
n.低质煤；渡鸦( raven的名词复数 )
ravens 变化形式
易混淆的单词： Ravens
ravens 的用法和双语例句“点击”或“选中”例句中的单词，就可以看到词义解释
- Crows and their relatives - among them ravens , magpies and jays - are renowned for their intelligence and for their ability to flourish in human-dominated landscapes . That ability may have to do with cross-species social skills .
- 乌鸦和它的近亲，包括渡鸦、喜鹊和松鸦都是出了名的高智商动物，它们在人类主宰的世界中维持种群兴盛的能力也许归功于与生俱来的跨物种社交技巧。
- Though dr. marzluff 's is the first formal study of human face recognition in wild birds , his preliminary findings confirm the suspicions of many other researchers who have observed similar abilities in crows , ravens , gulls and other species .
- 虽然，马兹卢夫博士的实验是验证野生鸟类识别人类面孔能力的首次正式研究，但是，他的初步发现证实了许多研究者的怀疑，他们发现乌鸦、渡鸦、海鸥和其它物种都拥有类似的能力。
- Pilots might dismiss ravens as radio-controlled toys , but they are popular with soldiers .
- 飞行员们也许只把“渡鸦”看成无线电控玩具，但士兵们却对它爱不释手。
- There are some 4800 ravens in operation in the army , although plenty get lost .
- 大约有4800架“渡鸦”在军队中服役，不过其中很多都失踪了。
- The american army 's entire annual purchase of almost 1300 ravens is thus lighter than a single fully armed reaper .
- 美军全年采购的1300架“渡鸦”加起来的重量比一架全副武装的“死神”还轻。
- Skip to next paragraphjohn m. marzluff , a wildlife biologist at the university of washington , has studied crows and ravens for more than 20 years and has long wondered if the birds could identify individual researchers .
- 华盛顿大学的野生动物学家约翰马兹卢夫（johnm.marzluff）对乌鸦和渡鸦的研究已经超过20载，他心中一直有个疑问，这些鸟儿能否认出不同的研究人员？