Heaviside layer
[电] Heaviside层
📖 牛津释义
Heaviside layer
(physics 物) part of the earth's atmosphere that reflects medium-frequency waves 亥维赛层, 海氏层, E电离层（地球大气中反射中频电波的大气层）. Cf 参看 ionosphere (ion).
🧩 词语组成解析
海维赛德(①姓氏 ②Oliver, 1850-1925, 英国物理学家、电气工程学家)
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
Her boyfriend couldn't provide her with a sense of security.
她的男朋友无法给予她安全感。
After I get home, I'll call you.
到家以后，我会给你打电话。
A blurred image appears; he adds a brushstroke and another, and it is gone;
一个朦胧的形象出现在作家的脑海里，他左添一笔，右添一笔，形象反而消逝了；