Maybe lucky for you, he has a set of human-like teeth on his lower jaw but doesn’t seem to have an upper row of teeth.

也许你很幸运，他的下颌有一组类似人类的牙齿，但似乎没有上排牙齿。

Her " Hollywood Style Smiling Technique" method includes " crescent eyes, " " round cheeks" and shaping the edges of the mouth to show eight teeth in the upper row.

她的“好莱坞式微笑法”包括“新月形的眼睛”、“圆润的脸颊”，以及塑造露出上排八颗牙齿的嘴角形状。

Their teeth are each like a small serrated knife and when they chomp their jaws together, their upper and bottom rows of teeth interconnect like a deadly pair of scissors.

它们的牙齿就像一把小小的锯齿刀，当它们一起咀嚼下颚时，它们的上下两排牙齿就像一把致命的剪刀一样相互连接。

As Tom wended to school after breakfast, he was the envy of every boy he met because the gap in his upper row of teeth enabled him to expectorate in a new and admirable way.

汤姆吃完早饭去上学时，遇到的每个男孩都羡慕他， 因为他上排牙齿上的缝隙使他能够以一种令人钦佩的新方式吐痰。