Point spread function
[计] 点分布函数
🧩 词语组成解析
spread
[sprɛd]
vt.& vi. 伸开;展开;（使）传播;（使）散布;
n. 范围;连续的一段时间;
vt. 涂;把…覆盖在…上(over);把…敲平;散发（气、烟等）;
vi. （景色、景致）展现;传开;（人群）散开;软化;
adj. 张开的;[语言学]双唇展开的;（宝石）扁薄发光的;（文章、照片等）跨两栏（或多栏）的;
🗣️ 情景例句
Everyone is expected to stick to the rules.
每个人都要遵守规则。
The child embarrassed me by asking unexpected questions.
那小孩问了些出乎意料的问题使我困窘。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，