posture [ˈpɒstʃə(r)] n.（坐或立的）姿态，姿势；态度，立场
例句 They change body colour and posture not just to blend in and avoid
predation, but also to communicate.【2016-2《新科学家》】
它们改变身体的颜色和姿势不仅是为了融入环境和避免被捕食，而
且是为了沟通交流
