Spectrodensitometry
分光密度测定法, 光谱密度法
🗣️ 情景例句
This spring is the origin of the brook.
这泉水是那条小河的源头。
Silly(=good) child is soon ylered(=taught).
好小孩，学得快。
her flags flying, pennants waving, sails filling in the breeze,
舰旗迎风招展，三角旗随风飘动，微风鼓起风帆，