Spread-spectrum
扩展频谱
🧩 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
That's the recreation center and restaurant.
那是娱乐中心和餐馆。
I've heard so much about you!
久仰大名！
I have had several conversations with him.
我已经和他谈过几次了。