Dextran
n. 右旋糖酐\\n[化] 葡聚糖; 右旋糖酐
🗣️ 情景例句
Sorry, I'm afraid I'm busy tonight.
很抱歉，恐怕我今晚没空。
Karl was so upset that he began to turn red with anger.
卡尔非常惊讶，红着脸开始生气了。
What are you doing?
你在干什么？