Backscattering
n. [物]反(向)散射,后向散射
✅ 同义词
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
I am not through with school yet.
我还没有毕业。
Two of his greatest films, City Lights and Modern Times were of this kind.
他的两部最伟大的影片《城市之光》和《摩登时代》就是这种影片。