0 New HSK word(s):
0 Old HSK word(s):
胡萝卜素 [hu2 luo2 bo5 su4] Karotin (S)
胡萝卜素 [hu2 luo2 bo5 su4] Carotin, Carotine, Karotin (Eig, Chem)
类胡萝卜素 [lei4 hu2 luo2 bo5 su4] Carotinoid, Carotinoide (S, Chem)