Sideroblastic anemia
铁粒幼细胞贫血
🧩 词语组成解析
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
A stitch in time saves nine.
小洞不补，大洞吃苦。
Goodbye, Mrs. Zhu.
再见，朱夫人。