Runneberg's disease
[医] 缓解型恶性贫血
🧩 词语组成解析
🗣️ 情景例句
You can bet your life they'll oppose it.
我敢断定他们会表示反对。
Do flying saucers really exist?
飞碟真的存在吗？
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。