bad的副詞比較級是什么

　　It's worse than being at the dentist's.

　　這比在牙醫(yī)診所還要糟。

　　Her symptoms became progressively worse.

　　她的癥狀逐步惡化。

　　Nothing looks worse than dry, cracked lips.

　　沒有什么比干裂的嘴唇看上去更糟糕了。