loud的副词是loudly。
loud:
adj.喧闹的;响亮的;大声的;说话太大声的;吵闹的;俗艳的;花哨的;
adv.喧闹地;大声地;响亮地;
比较级: louder最高级: loudest
He gave a loud cry and fell to the floor.
他大叫了一声倒在地板上。
We could hear loud bumps from upstairs where the children were playing.
我们能听到孩子们在楼上嬉戏的乒乓声。
The sound of loud music emanated from the building.
喧闹的音乐声是从那栋楼房里传出来的。
Please read the letter out loud.
请把信大声念出来。