1.
Comparative Histology of the Skin of Rana Nigromaculata,Rana Rugulosa and Rana Catesbeiana
黑斑蛙、虎纹蛙和牛蛙皮肤的比较组织学
2.
large toothed frog of South and Central America resembling the bullfrog.
南美和中美有牙齿的大型蛙，形似牛蛙。
3.
Any of several large, heavy-bodied frogs, chiefly of the genus Rana and especially R. catesbeiana, native to North America and having a characteristic deep, resonant croak.
牛蛙一种大的，体重的蛙，蛤蟆属，尤指牛蛙原产于北美，有很具特色的低沉的，洪亮的叫声
4.
Someone liken his voice to the croak of a bull - frog
有人把他的声音比作牛蛙的叫声
5.
Mr.Chenka had a face like a friendly bullfrog.
陈卡先生露出像牛蛙一样和善的表情。
6.
This frog's eardrums are as big as her eyes,
这只牛蛙的耳鼓膜和眼睛一样大，
7.
Someone likened his voice to the croaking of a bull-frog.
有人把他的声音比作牛蛙的叫声。
8.
A big bunch of bullfrog eggs float in the pond.
一大堆牛蛙的卵在池塘上。
9.
A Comparative Study on Physicochemical Properties of the Oviducts in Bull Frog R. Catesbiana, Common Giant Toad Bufo Bufo Gargarizans and Northeast Brown Frog R. Dybowskii;
牛蛙、中华大蟾蜍及东北林蛙输卵管理化特性的比较研究
10.
Splash! A big-eyed, bulging bullfrog plops into a pond.
“扑通”，一只眼睛又大又突的牛蛙跳进池塘里。
11.
A Study on Skin Mast Cells Morphologying in Bufonidae (Bufo Raddei) and Bullfrog(Rana Catesbiana)
蟾蜍和牛蛙皮肤肥大细胞的形态学研究
12.
Conclusion: There is no self-interaction of hemoglobin in Pisces Cyprinus carpio and Amphibia Rana catesbeiana.
结论：鲤鱼、牛蛙的血红蛋白自身不相互作用。
13.
Molecular Cloning of the cDNA Encoding Adult Bullfrog Growth Hormone and Its Transgenetic Expression Effects on Experimental Bullfrog;
牛蛙生长激素基因克隆及其表达效应研究
14.
Morphology and Histochemistry of Mast Cells in Bullfrog (Rana Catesbeiana);
牛蛙肥大细胞的形态学和组织化学研究
15.
Studies on the Main Characters of Bullfrog T-lymphocyte and B-lymphocyte;
牛蛙T、B淋巴细胞的主要生物学特性研究
16.
African bullfrog bathes where a sandy expanse lay just weeks before.
在博茨瓦纳的雨季时节，一只非洲牛蛙在沼泽里悠闲的畅游。
17.
similar to bullfrog; found in or near marshes and ponds; of United States and Canada.
与牛蛙形似；见于沼泽和池塘中或附近地区；产于美国和加拿大。
18.
bullfrogs became lethargic with the first cold nights.
随着最初的几个寒冷的夜晚，牛蛙变得昏昏欲睡了。