YOU SAID:

The couch was bouncy and had a sunken center.

INTO JAPANESE

ソファは弾力があり、沈没した中心を持っていました。

BACK INTO ENGLISH

The sofa was elastic and had a sunken center.

INTO JAPANESE

ソファは伸縮性があり、中央が沈んだ。

BACK INTO ENGLISH

The sofa was elastic and the center sank.

INTO JAPANESE

ソファは伸縮性があり、中央は沈んだ。

BACK INTO ENGLISH

The sofa was elastic and the center sank.