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
As far as English is concerned, he is second to none.
就英语来说，没有人能够比得上他。
What's your favorite game?
你最喜欢的游戏是什么？
In 1892 the age of mass arrivals began, during which 15 million new people passed through Ellis Island into the USA over a period of 62 years.
1892年开始了一个国外移民大量涌入的年代，在随后的62年中，有1，500万新来的人通过埃利斯岛进入美国。