Erythroleukosis
红细胞黄铜变色(见于疟疾)
🗣️ 情景例句
with the school-board committee.
与联合校董会有关。
Close your book,please.
请把书合上。
Hold on for a moment, please. I'm sorry he isn't here right now. May I help you?
请稍等一下。对不起，他现在不在这里。我能帮您的忙吗？