beet yellows virus牛肉: beef提取: draw; pick up; collect物: thing; matter; object牛肉膏，牛肉提取物: beef extract龙眼肉提取物: dried longan pulextract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:牛肉提取物，即可在微信中查询翻译
