saw back锯齿形: sawtooth; indent; zigzag山脊: mountain ridge; ridge; back; ...齿形山脊: serrated topography鞍形山脊: saddleback之字形山脊: zigzag ridge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:锯齿形山脊，即可在微信中查询翻译
