F layer
[電] F層
?? 詞語組成解析
layer
['lei?]
n. 層，層次;膜;[植]壓條;放置者，計劃者;
vt. 把…分層堆放;借助壓條法;生根繁殖;將（頭發）剪成不同層次;
vi. 形成或分成層次;[植]通過壓條法而生根;
??? 情景例句
Susan has told me a great deal about you.
Susan告訴我許多關于你的事。
A house divided against itself cannot stand.
家庭內訌難維系。
I don't know.I've already had my holiday this year.
我不知道。今年我已度過假了。