F layer
[电] F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
I applied for a job as a lifeguard at the community pool.
我申请了社区游泳池的救生员工作。
Why are you sitting over there?
你为什么坐在那里？
It is because in the modern world, English is very widely used for business between different countries.
这是因为在现今世界，英语广泛应用于国与国之间的贸易往来。