氧: oxygen代: take the place of; be in pla ...别: change桦木: birch脑: brain桦木脑: betulin; birch camphor杂桦木脑: heterobetulin桦木脑二乙酸: betulin diacetate桦木: birch◇桦木林 birch; birch grove氧代: -3; oxo柏木脑: cedrol木脑辉: mu nohoi胡代别尔德: khudayberdy胡代别尔根: khudaibergen胡代别尔金: khudaiberdin木头木脑: blockhead; stupid; woodenheaded; dull-witted; be getting dull; sit like a bump on a log榆木脑袋: blockhead; a foolish, brainless person白桦木: white birch坚桦木: betula lenta l桦木醇: betulinol; trochol桦木的: birchen桦木黑: birch black桦木科: betulaceae; birch family桦木林: birch grove桦木门: birch door; board-room and conference table