guttering

n [U] system of gutters 排水系统.

gunwale, gurgle, Gurkha, guru, gush, gusher, gushing, gushingly, gusset, gust, gustation, gustatory, gusto, gusty, gut, gutless, gutsy, gutta-percha, gutter, gutter press, guttersnipe, guttural, guv, guvnor, guy, guy rope, guzzle, guzzler, gybe (US jibe), gym, gym-slip (also slip), gymkhana, gymnasium, gymnast, gymnastic, gymnastics, gynaecological (US gynecological), gynaecologist (US gynecologist), gynaecology (US gynecology), gyp,