mid

prefix mid- (middle) 中間的:
amid, midday, midmorning, midafternoon, midnight, midweek, midyear, midterm, midseason, midsummer, midwinter, midprogress, midway, midair, midcourse, midchannel, midcontinent, midland, midocean, midstream, Mideast, midtown, midfield, midship, midrange, midpoint, midsection, midlevel, midline, midsentence, midsize, midst, middle, middleman, midcareer, midlife, midwife, midcentury
* 在數字前要加連字號: mid-20th century, mid-1980s, mid-1980, mid-80s