Dco
abbr. doppler cutoff; double crossover (genes) 多普勒截止; 双叉（基因）; draft collection only 纯汇票收集
🗣️ 情景例句
That's it.
就这样。
Long time no see!
好久不见。
Yes, Miss Zhao. answered the students. Now, who is on duty today?
“好的，赵小姐，”同学们回答。“今天谁值日？”