羟
基
磷
灰
石
q
i
ǎ
n
g
j
ī
l
í
n
h
u
ī
s
h
í
Definitions
1. hydroxy-apatite (phosphatic lime deposited in bone)
Components
羟基
qiǎng jī
–
hydroxyl group -OH
磷灰石
lín huī shí
–
apatite