Macrochromosome
大染色体
🗣️ 情景例句
Thanks. I'm on my way over.
谢谢， 我马上就来。
To study the map
研究地图
that a series of deep soundings was obtained in the Atlantic and the first samples were collected by dredging the bottom.
才在大西洋测得一个个海水深度，同时通过挖掘海底，取得了研究海底的首批样品。