Refractory anemia
难治性贫血，顽固性贫血
🧩 词语组成解析
🗣️ 情景例句
Richard, this is Mitchell Johnson.
Richard，这是Mitchell Johnson。
I did the best I could.
我尽力了！
He told me that he could not go to sleep one night because he heard a strange noise coming from the bar.
他告诉我有天夜里他怎么也睡不着，因为他听到酒吧里传来一阵奇怪的响声。