1772, agent noun from roost (v.); earlier roost cock, c. 1600, in sense of "the roosting bird." Favored in the U.S. originally as a puritan alternative to cock (n.) after it had acquired the secondary sense "penis" (and compare roach).
权威例句
1. The rooster chased me across the dirt floor of the barn.
公鸡追着我跑过谷仓的泥土地面。
2. The rooster's crow woke me.
公鸡的啼叫声把我吵醒了.
3. The rooster bristled his crest.
公鸡竖起了鸡冠.
4. The rooster flew up to a big rock and began to crow.
公鸡飞上大石头,开始鸣叫。
5. The late moon arose before the first rooster crowed.