double up

弯腰，把...折起来

double, double agent, double back, double bed, double bill, double bind, double bluff, double chin, double cream, double date, double Dutch, double entendre, double entry, double figures, double first, double pneumonia, double standard, double take, double time, double transitive verb, double-barrelled, double-bass, double-book, double-booking, double-breasted, double-check, double-cross, double-dealer, double-dealing, double-decker, double-dyed, double-edged, double-faced, double-glaze, double-glazing, double-jointed, double-park, double-quick, double-stop, double-talk,