crataegus youngi杨: poplar氏: family name; surname山楂: may bloom; may tree; maythor ...巴里氏山楂: barry hawthorn瓦茨氏山楂: watts hawthorn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:杨氏山楂，即可在微信中查询翻译
