单词	iron number
释义	iron number 铁数, 铁值
随便看	be up to no good be up to one's chin in be up to one's neck be up to one's old tricks be up to one's shoulders be up to par be up to putty be up to sample be up to sb be up to some hanky-panky be up to someone be up to someone's larks be up to something be up to specifications be up to sth be up to the chin in be up to the mark be up to the mustard be up to the neck in debt be up to the standard be up to trap be up to your ears in sth be up to your eyeballs in sth be up to your eyes in sth be up with 量力而为量力而行量如江海量小力微量己审分量才器使量才录用量才而为量时度力量材录用齿龋龀龁龂龃龃龉龄龅龅牙龅眼龅牙