更多convexo-concave例句

1. Sagging milk-filled breasts must appear perky; the once-swollen abdomen is made concave.
2. Ellis's patent boot studs to save the sole, and the Euknemida, or concave-convex fastening springs, are the latest novelties.
3. Lamb turned the paper over and winked at himself in the concave mirror of the semi-circle of bar.
4. The seat should slope downward a little toward the back, be slightly concave, and have rounded edges in front.
5. Of the two broader sides one was concave, the other convex; while of the narrower sides one was flat and the other indented.
6. His hair is long and black, and in his throat is a thick concave bone.