cusps例句

The aortic valve shows three thin and delicate cusps.
主动脉瓣由三个薄而精细的瓣叶组成.

Note there are three cusps sewn into a synthetic ring.
可见三个瓣叶围绕形成环.

Nodules of calcification are seen on the cusps here.
可见瓣膜尖端有钙化结节.