v. become dull or lusterless in appearance; lose shine or brightness
v. make dull or blunt
v. make less lively or vigorous
词态变化
比较级:duller
过去式:dulled
过去分词:dulled
最高级:dullest
现在分词:dulling
第三人称单数:dulls
常见例句
1
a dull persistent (usually moderately intense) pain v
2
n a dull persistent (usually moderately intense) pain v feel physical pain v have a desire for something or someone who is not present v be the source of pain
3
causing a dull and steady pain
4
s causing a dull and steady pain
5
n a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin)
