rotund词根词缀

As they grew rotund and accumulated more fat cells, the researchers found, their blood showed increasingly hefty doses of a substance called interleukin 1 that is created by fat cells and known to cause inflammation.

研究人员对它们进行了检查，并发现在它们的血液中有一种名为白细胞介素1（interleukin1）的物质浓度日益增加，这种物质由脂肪细胞产生，且目前已知它会引起炎症。

Mrs. Butler was sitting in rotund complacency at the foot of the table.

巴特勒太太心安理得地坐在桌子的末端。

On his way back along the broom road, under the lamps that marked the entrance to the palace grounds, grief encountered a short, rotund gentleman.

格里菲顺着“金雀花路”往回走。在王官所在地入口处的几盏灯底下，他碰上一位身材矮小，体形滚圆的绅士。