公牛的英文：
bull
ox

参考例句：

The uncastrated adult male of domestic cattle.
未阉割的公牛

Horn of a bull, hoof of a horse, smile of a Saxon
公牛的角，马的蹄子，撒克逊人的微笑[130]。

They sacrificed an ox to Jupiter.
他们用公牛祭朱庇特。

If they go into that field the bull will chase them.
如果他们走进那块牧场，公牛就会追逐他们。

Of,relating to,or resembling a ruminant mammal of the genus Bos,such as an ox,cow,or buffalo.
牛科动物牛属的反刍哺乳动物的、与之相关的或类似之的，如公牛、母牛或水牛的

Still another depicted Europa deceived by jupiter under the disguise of a bull
再一幅是描写欧罗巴如何被化身成公牛的朱庇特所欺骗。

A soft,thick,undyed leather made chiefly from the skins of buffalo,elk,or oxen.
浅黄色皮革一种主要由水牛皮，驼鹿皮或公牛皮制成的柔软的，坚韧的未染色的皮革

Necrotic posthitis is characterized by evertive swelling, edema and necrosis in the prepuce of feedlot steers and bulls
坏死性仓皮炎以育牛场的阉牛和公牛中所出现的仓皮外翻性肿胀，水肿和坏死为特征。

A young cow or bull.
小牛年幼的母牛或公牛

The bull rushed at him.
公牛向他冲来。

bull是什么意思：
n. 公牛；大型雄性动物；粗壮如牛的人；多头；胡说八道
adj. 雄的；大型的；公牛似的；价格上涨的
v. 猛挤；强力实现；吓唬；吹牛；（使）价格上涨，哄抬证券价格；提高身价

They are all bulls.
他们个个都是彪形大汉。

Some are bulling shares.
有些人正大量买进股票以抬高价格。

Like a red rag to a Bull
惹人生气的事

Take the Bull by the horns
不畏艰难

Take the bull by the horns.
捉牛执角。