stallion
US
UK stallion n: (male horse) (动物)
SC 牡马，种马，公马 mǔ mǎ，zhǒng mǎ，gōng mǎ
The stud farm had several stallions.
stallion n: dated (man: very sexually active) (比喻，指性欲旺盛的男子)
SC 种马 zhǒng mǎ
Tom's with a different woman every time I see him; he's a stallion!