vitrain

"vitrain" Chinese translation ("vitrain" in Chinese, "vitrain" 中文翻译, "vitrain"发音):

vitrain n. 闪炭,镜煤 (有条纹的烟煤中,易碎而有光泽的夹层) [n. 闪炭,镜煤 (有条纹的烟煤中,易碎而有光泽的夹层) ]