桦木油 桦木油的英文 英语翻译 betula oil; oleum betulae empyreumaticum rectificatum; oleum rusci; rectified birch tar oil 拓展翻译 桦木birch桦木醇betula camphor; betulin; betulinolbetulin桦木的birchen桦木黑birch black桦木焦油birch tar(oil)桦木脑betula camphor; betulin; betulinol; birch camphorbetulin桦木酸betulinic acid桦木炭黑birch black桦木酮betula camphor; betulin桦木酮酸betulonic acid桦木汁birch water桦木制的birchen桦木子油birch-seed oil黑桦Betula lenta; black birch桦birch桦鹅耳坜carpinus betula桦焦油birch tar桦科Betulaceae桦酶betulase; gaultherase桦属Betula