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
It's five years ago.
那是五年前了。
I'll probably have eggs and toast for breakfast.
我可能早餐吃鸡蛋和烤面包。
They must keep their hands behind their backs.
他们得一直将手放在背后。