north light gutter朝: early morning; morning北: north锯齿形: sawtooth; indent; zigzag屋顶: roof; housetop边: side; section下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:朝北锯齿形屋顶边沟，即可在微信中查询翻译
