As the egg whites cook, they coagulate and rise to the surface.蛋白一煮就会凝结，并且浮起来。Ink particles attach themselves to air bubbles and rise to the surface.墨汁颗粒附着在气泡上，浮到表面上。a meteoric rise to fame迅速成名...
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....