Some scientists argue that chimpanzees can show emotions such as happiness or sadness.
一些科学家认为黑猩猩可以表现出快乐或悲伤等情绪。
Some scientists argue that feathered dinosaurs evolved flight from the ground up, flapping their feathered arms as they ran.
一些研究者认为羽毛恐龙是从零开始进化出飞行能力的，它们在奔跑中会拍动自己带羽毛的前肢。
Some scientists argue that feathered dinosaurs evolved flight from the ground up, flapping their feathered arms as they ran.
一些研究者认为羽毛恐龙是从零开始进化出飞行能力的，它们在奔跑中会拍动自己带羽毛的前肢。
应用推荐