test cock

例句：

1. 1. Thefarmer decided to test the new breed ofchickens.
   农民决定测试新的鸡种。
2. 2. Thetest cock was a real showman, attracting many visitors.
   测试公鸡是个真正的表演者，吸引了许多游客。
3. 3. Afterthe test, the farmer was pleased withthe results and decided to keep the testcock.
   测试结束后，农民对结果很满意，决定留下测试公鸡。