以y开头的牛单词：
yak
美 /jæk/英 /jæk/
n.牦牛
vt.喋喋不休
过去式 yakked
过去分词 yakked
现在分词 yakking
第三人称单数 yaks
复数 yak 或 yaks
双语例句：
She could never find the point in her speech, just keep yakking on.她说话永远都找不到重点，只是喋喋不休地说个不停。
Yaks are the animals with unique Tibetan characteristics.
牦牛正是独具西藏特色的动物。
The boy is as strong as a yak.
这个小伙像牦牛一样壮实。
yes,you,Yesterday ,five.
