短语词组短语terminal bud scale scars 先端芽鳞痕bud scale scar 芽鳞痕Populus bud scale extract 杨树芽鳞提取物leaf bud scale 芽鳞lily bud scale 百合鳞片graphite from fine bud scale 细鳞片石墨scale bud detail 鳞片芽 返回 bud scale