supernumerary

1.a pair of supernumerary teats.

一对多余的乳头。

2.supernumerary ornamentation;

多余的装饰；

3.books were obviously supernumerary, and he began jettisoning them.

明显多余了，所以他开始向外。

4.Methods X-ray dental film and panoramic pantomogram were used to determine the location of embedded supernumerary teeth on bases of the geometrical principle of X-xay photography.

法通拍摄X及全景,结合临床检查,利用X射照相中的几何学原理确定多生的位置,以确定手术入路,然后拔除。