Physical layer
[计] 物理层
🧩 词语组成解析
layer
['leiə]
n. 层，层次;膜;[植]压条;放置者，计划者;
vt. 把…分层堆放;借助压条法;生根繁殖;将（头发）剪成不同层次;
vi. 形成或分成层次;[植]通过压条法而生根;
🗣️ 情景例句
That's not it.
不是这种事。
This week he took his first vacation from work in five years.
五年来，他本周破例第一次休假。
Nothing could have been more annoying.
没有什么能比这更烦人了。