sterna is sternum's Plural Form

sternum

US [ˈstɜrnəm]

UK [ˈstɜː(r)nəm]

Plural Form：sterna Plural Form：sternums

E-C

n.	1. 【解】胸骨 2. 【动】(甲壳类的)腹甲,胸板,(棘皮动物,昆虫的)腹板

Definition:

AllAll,胸骨胸骨,腹甲腹甲,燕鸥属燕鸥属,燕欧属燕欧属,援普通燕鸥援普通燕鸥

Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical

Source:AllAll,DictionaryDictionary,WebWeb

Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard

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1.	燕鸥属燕鸥属(Sterna)大约30种，是最典型的种类，尾叉形，顶或冠黑色，体淡灰色。黑燕鸥(S. nigra,有时称黑浮鸥〔Chlidonias niger〕)体长约… www.baike.com\|Based on 280 pages
2.	胸骨贪吃虫冒险Bonus单词目录大揭秘... ... stapes [解]镫骨 sterna 胸骨（复数） sternum 胸骨 ... tieba.baidu.com\|Based on 5 pages
3.	燕欧属主要属有：欧属(Larus)、浮欧属(Chlidonias)、凤头燕欧属(Thalasseus)、燕欧属(Sterna)。重要种类有： www.chinabaike.com\|Based on 2 pages

4.	援普通燕鸥查干湖旅游区资源概括... ... 119援须浮鸥 Chlidonias hybrida 121援普通燕鸥 Sterna 122援白额燕鸥 S.albifrons sinensis Gmelin ... www.syokey.com\|Based on 1 page
5.	乌燕鸥【鸟类】乌燕鸥 (sterna) fully awake "so excited she was wide-awake all night" 同义词： unsleeping fully alert and watchful 同... dict.youdao.com\|Based on 1 page