protractility
常見例句
- when the upper lip is connected to the snout by a frenum, the two are continuous and the upper jaw is restricted from being protractile;
上嘴脣被一個系帶連接到吻部，兩者是連續(xù)的，而上頜則是被侷限不能伸出的； - protractile limbs and claws.
可伸展的肢躰和爪子 返回 protractility