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
A surprise?
惊喜？
I didn't sleep well.
我没睡好。
His parents did not know what was wrong.
他的父母亲不知道他有什么毛病。