cusps
n. [天] 月角;[数][天] 尖点
例句
Nodules of calcification are seen on the cusps here.
可见瓣膜尖端有钙化结节。
The aortic valve shows three thin and delicate cusps.
主动脉瓣是三个薄而灵活的瓣膜。
Note there are three cusps sewn into a synthetic ring.
可见三个瓣叶围绕形成环。