Learner's definition of RE
[noncount] music
: the second note of a musical scale来(全音节中的第2音) -
do, re, mi, fa, sol, la, ti哆,来,咪,发,嗦,拉,西
2 re /ˈreɪ/ /ˈriː/ preposition /ˈreɪ/ /ˈriː/
preposition
Learner's definition of RE
formal
: on the subject of : regarding or concerning关于 —
used in business and legal writing and e-mail before a word or phrase that states the subject you will be discussing用于商业函件、法律文件和电子邮件开头介绍主题