Backseattered
[机] 反向散射的
🗣️ 情景例句
Would you mind eating out this evening?
你介意今晚上馆子吃饭吗？
He who does not gain loses.
无所得即有所失。
There are one hundred thousand million stars in our own Milky Way alone,
仅我们的银河系就有1000亿颗恒星，