slow的副词是什么？

　　The car bumped its way slowly down the drive.

　　汽车沿车道缓慢地颠簸行进。

　　Please could you speak more slowly?

　　请您说慢一点好不好？

　　Slowly things began to improve.

　　慢慢地，情况开始好转了。

　　My mother's hospital expenses were slowly draining my income.

　　我母亲的住院开销把我的收入渐渐耗光了。

　　She walked slowly down the road, evidently in pain.

　　她沿路慢慢地走着，显然很痛苦。