D-layer
n. D层（电离层的最下层）
🧩 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
She is devoted to her children.
她深爱她的孩子。
You had better wash those dirty clothes.
你该去把那些脏衣服洗一洗。
its habits are his habits, its beliefs his beliefs, its impossibilities his impossibilities.
他的社团的习惯就是他的习惯，他的社团的信仰就是他的信仰，他的社团不能做的事就是他不能做的事。