M. e. d.
[医] 最小红斑量, 最小有效量
🧩 词语组成解析
[医] 电子\\n[经] 东
🗣️ 情景例句
There's been a car accident, please call the police.
这发生了车祸，请快报警。
She will be happy to speak in French or Chinese to any of you.
她会很高兴与你们中的某个人讲法语或中文。
Tell Mary we'll be late for dinner this evening.
你告诉玛丽，今晚吃饭将晚到一会儿。