Even when demonstrator hens reacted with obvious disgust to a specific food, via vigorous head shaking and bill wiping, there was no evidence that observers subsequently avoided eating that food.
即使是当作为演示的母鸡对某种特定的食物表现出明显的厌恶，比如使劲摇头和擦拭嘴，也没有证据表明它们随后会避免食用这种食物。
"We're standing atop its head," he said, wiping his brow with a handkerchief.
“我们正站在它的头顶，”他边说，边用手帕擦额头。
Spread head, glass scrubber, telescoping rod, water bucket, glass detergent, clean water, wiping cloth.
喷头、玻璃刮、升缩杆、水桶、玻璃清洁剂、清水、抹布。
应用推荐