fenestra的复数形式怎么写

In section configuration, the depressions are either triangle or reversed trapezoid - fenestra structure.剖面形态上, 这些断陷不是三角形就是倒梯形,即所谓的“花窗结构”.Objective To compare the effect of fenestra stapedotomy and total stapedectomy in ...

fenestra的音标：fenestra的英式发音音标为：[fɪ'nestrə]fenestra的美式发音音标为：[fə'nestrə]...

n.似窗的小开口，小孔...