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
He's like a little doll.
他像个小洋娃娃。
I apologize for that, sir.
请您原谅。
As far as policy is concerned, I have to say something.
谈到政策，我得说几句。