E. d.
[医] 红斑量, 有效量
🧩 词语组成解析
[医] 电子\\n[经] 东
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
His classical music is so quiet. I can't even hear it!
他的古典音乐幽静得听不见。
Doesn't Karen Marsh look old!
卡伦看上去不显老嘛！