Diffractogram
衍射圖(樣)
??? 情景例句
Chairman Mao said it is necessary to drill as much as possible.
毛主席說，反復操練是非常必要的。
The darkest hour is that before the dawn.
黎明前是最黑暗的時刻。
The objects on display were pieces of moving sculpture.
展品都是些活動的雕像。