bracing

adj. 增加气力的,令人振奋的,提神的,使心神清爽的

boxer, boxful, boxing, Boxing Day, boxing-day, boxing-match, boy, Boy Scout, boy-friend, boycott, boyfriend, boyhood, boyish, BP, BPC, BR, bra, brace, brace and bit hand, bracelet, bracken, bracket, brackets, brackish, bract, brad, bradawl, brae, brag, braggadocio, braggart, brahmin, braid, braided, braiding, Braille, brain, brain fever, brain-child, brain-drain,