large long-haired wild ox of Tibet often domesticated
動詞 yak:
talk profusely
造句
She told her parents about the yeti killing the yaks. 她告訴父母雪人殺死了牦牛。
The nutritional metabolic disease in yaks was associated with a trace element deficiency of seasonal dynamics. 牧草微量元素含量的季節(jié)性變化可能是牦牛營養(yǎng)代謝疾病的主要原因。