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
Keep your nose to the grindstone; you'll succeed.
埋头苦干，总有成功的一天。
I took off my raincoat.
我脱下了我的雨衣。
John asked Grace to marry him，
约翰向格雷斯求婚。