Any of various thorny shrubs of the genus Astragalus,especially A. gummifer,of the Middle East,yielding a gum used in pharmacy,adhesives,and textile printing.是什么意思_Any of various thorny shrubs of the genus Astragalus,especially A. gummifer,of the Middle East,yielding a gum used in pharmacy,adhesives,and textile printing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句