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 made an impressive speech.
他发表了一篇感人的演讲。
Internet is number one!
国际互联网真是顶呱呱！
for five of her sixteen watertight compartments had already been flooded!
16个密封舱已有5个进水。