- In an irregular polygon, an interior angle that is greater than 180° and whose apex faces into the polygon.凹角：在不规则多边形中超过180度，而且其顶点指向多边形内部的内角
- trinitrophenol
- trinitrotoluene
- trinity
- Trinity Bible College
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- Trinity Christian College
- Trinity College (Connecticut)
- Trinity College (District of Columbia)
- Trinity College (Illinois)
- Trinity College (Vermont)
- Trinity River
- Trinity Sunday
- Trinity University
- Trinity Valley Comm Coll-Henderson County Campus
- trinket
- trinketed
- trinketing
- trinkets
- trinomial
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- trinucleotide
- trio
- triode
- triodes
- triol
- 鲜令
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- 鲜克有终
- 鲜冠
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- 鲜净
- 鲜凈
- 淡淡的微信名
- 猫的网名325个
- 骚气的昵称300个
- 好听的用户名675个
- 好听的群名称500个
- qq群组名
- 班级群名
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- 女网名唯美有气质300个
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