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
You tried calling the number on the collar?
你照狗脖子上项圈的电话号码打过电话了吗？
Open your book,please.
请把书打开。
Instead of being five new family members, these children had immediately become a commodity.
这些孩子立即成了商品，而不是5个新的家庭成员。