Posture system
[医] 姿势维持系统
🧩 词语组成解析
🗣️ 情景例句
I was elected the student body president at my college.
我被选为校学生会主席。
Please give me a hand.
请帮我个忙。
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。