adj. 沉重的;繁重的,巨大的;阴沉的
n. 重物;严肃角色
adv. 大量地;笨重地
While we undervalue the nicely-balanced weight of broadsides which have lately been brought forward with all the grave precision of Cocker, we are well aware of the decided advantages of heavy metal. ["United Services Journal," London, 1830]As a type of rock music, from 1972.