Backward scattering
[化] 向后散射
🧩 词语组成解析
n. 分散, 散射, 稀疏的少量\\na. 四散开的, 分散的\\n[计] 散射, 扩散, 杂散
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
The longest way round is the shortest way home.
绕道似最远，归程是捷径。
What will be the population of the world in the year 2000?
2000年世界人口将是多少？