Ramanscattering
喇曼散射
🗣️ 情景例句
Well, I never! I thought you were in HongKong.
哎，我真没想到！我还以为你在香港呢。
You never know.
天晓得。
at eighty can knock us out, and into our grave.
能到了80岁可能会使我们一蹶不振而进入坟墓。