It has to have a pelican like ability to move people around in its mouth, and do acrobatic feats.
还要有鹈鹕那样的能力，能在嘴里移动人体，以及种种特技能力。
youdao
Each acrobatic move must be practiced hundreds of times before a student is ready to perform.
NPR: The Acrobats of China's Wuqiao County
应用推荐
模块上移
模块下移
不移动