太阳西边出
呃。。。这得看情况来讲。如果是adverb(adv)的话，就得用“loudly".例句：She screamed loudly after seeing a spider crawling on her knee.如果是adjective(adj)的话，就得用"loud".例句：Max played his noisy trumpet in the middle of the night, it's so loud that I couldn't sleep.
筱晓鱼T3Y
Loudly例如：他大声地讲话。He speaks loudly.In a loud voice例如：他大声地讲话。He speaks in a loud voice.Loudly=In a loud voice所以，He speaks loudly.=He speaks in a loud voice.
