Chromocenter
[医] 染色质核仁, 核粒, 染色中心
🗣️ 情景例句
How do you do?
你好！
Who rang the bell a while ago?
刚才谁在按门铃？
Nigel is a very lucky man.But his wife isn't very lucky.She usually stays at home!
奈杰尔是个很幸运的人。但他的妻子运气不很好。他总是呆在家里！