tip back bend 后倾弯
terminal tip back bend 末端后倾弯
cinch back bend 末端回弯 ; 回弯
back bend molding 一种边向后弯曲的油画外框
molar tip-back bend 磨牙后倾曲
BEND BACK 弯后背 ; 向后弯
bend-back 反曲
N a gymnastic exercise in which the trunk is bent backwards until the hands touch the floor 下腰
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