Rescattering
二次散射; 重散射
🗣️ 情景例句
But if I have my tonsils out tomorrow,
但是我如果明天切除扁桃腺，
Who will comply with the unjust laws?
谁要遵守不正确的法律呢？
Christmas Day always begins before breakfast.
圣诞节活动总是在早餐前就开始了。