Tourmalin
[tuәmәli:n]
解释:
n. a beautiful mineral with vitreous lustre mostly black brownish-black and bluish-black.
校对:托妮
例句:
- He extended his electrical researches, and made a variety of experiments, particularly on the tourmalin. 本杰明·富兰克林. 富兰克林自传.
校对:托妮