Rescattering
二次散射; 重散射
🗣️ 情景例句
Lots of interesting information about our family.
很多我们家有趣的东西呢
From 4 to 4:30.
四点到四点半。
Hi, it's Bob here. Listen. I want you to play in a concert for me.
嗨，我是鲍勃呀！听着，我想要你为我在一个音乐会上演出。