drop in on someone unannounced的意思|示意
美 / /
英 / /
不请自来拜访某人
drop in on someone unannounced的网络常见释义
顺便拜访 ... run errands for someone 跑腿 drop in on someone unannounced 顺便拜访 pay one's respects 表达哀思 ...