Biquartz
[光]双石英片
🗣️ 情景例句
Our teacher drills us in English.
我们老师让我们反复操练英语。
Under control.
安排妥当。
The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel.
这座雕像的主体是用铜制成的，由艾菲尔特制的金属框架支撑着。