feather-edged薄: duckweed缘: reason的: 4次方是 The fourth power of 2 i ...薄缘: feather edge具薄缘: tenuimarginate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:薄缘的,即可在微信中查询翻译