Biquartz
[光]双石英片
🗣️ 情景例句
Ring? Ring?
戒指？ 戒指？
What time does the train for Boston leaves?
去波士顿的火车几点开？
There was a note of triumph in my voice when I told him that it was there in black and white.
我带着一种胜利者的调子告诉他那趟车白纸黑字。明明白白印在时刻表上。