Schlieren
条纹照相, 暗线照相, 纹景法, 纹影法
🗣️ 情景例句
Yes, we did.
确实如此。
It was a terrific party.
那是一次非常愉快的聚会。
and as the number of stars in the universe is so vast,
因为宇宙中恒星的数目极其庞大，