Congression
[医]中板集合（指染色体）
🗣️ 情景例句
My friend, I am in a big mess, do you think you could help me tomorrow?
朋友，我现在正忙得一塌湖涂。明天你可以帮一下我吗？
I'd like to explain what makes this factory special.
我要向你说明本工厂的特性。
How long will it take you to complete the trip?
你旅行全程需要多长时间？