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剪刀状

剪刀状

剪刀状

剪刀状

1

Swallow is a bird that has long and prong wings and a tail like a pair of scissors .

燕子是长着长长的尖翅膀，剪刀状的尾巴的可爱的鸟儿。

2

A scissor bite is preferred , but a level bite is acceptable . It is not unusual to see dropped (receding) lower central incisor teeth .

如剪刀状完全吻合的咬合是最好的，咬合稍微偏差一点是可以被接受的。但上下齿看起来不可以是明显地前后落差。

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