H. e. d.
[医] 皮肤单位剂量(X线)
🧩 词语组成解析
[医] 普朗克氏量子常数
[医] 电子\\n[经] 东
🗣️ 情景例句
As a matter of fact,
事实上，
Hi.
你好。
I was thinking about next Tuesday.
我想下个礼拜二。