M. i. d.
[医] 最小感染量
🧩 词语组成解析
[医] 不旋光的
🗣️ 情景例句
It's true. You are in great shape.
这是真的。你的身体很好。
A man who has friend must show himself friendly.
与朋友交，必须友好相处。
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。