“round piece”造句，怎么用round piece造句

A round piece (2) is connected on a periphery of a round mouth (3), and the round piece (2) is a round thin sheet.

On the floor close to the captain's hand was a little round piece of paper, blackened on one side.

A small round piece of meat, especially loin or fillet of lamb, veal, or pork.

" Nanyang has a long history of jade carving, in the Warring States period(475-221 B. C.), towns there could be bought for a jade carving called Heshibi (a flat, round piece of jade with a hole in the center). Dushan jade is one of the "four famous jades"in China."