hummocky cross-stratification波: wave状: form; shape斜: oblique; slanting; skew; bev ...层: I storey; tier; stratum理: texture; grain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:波状斜层理，即可在微信中查询翻译
