Refractory anemia
难治性贫血，顽固性贫血
🧩 词语组成解析
🗣️ 情景例句
Are you involved in any extra-curricular activities on campus?
你在学校参加过任何课外活动吗？
This river is one third as long as that river.
这条河只有那条河的三分之一长。
Then a police inspector arrived with a constable and she told them of her discovery of the ransacked flat.
过了一会儿，一位巡官带着一名警察来了。她向他们讲述了发现公寓遭劫的经过。