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
Good. How much is the fare?
好。车费多少？
It was quite good. But it was awfully long.
班机很好，就是时间太长了。
Please give them all my best wishes. I hope Polly is well, too.
请向他们转达我的最良好的祝愿。我还希望波利也很好。