Euchromocenter
常染色中心
🗣️ 情景例句
If you want to go sightseeing, a ferry trip is usually pretty cheap.
如果你想观光，坐船通常是比较便宜的。
This product is doing very well in foreign countries.
这种产品在国外很畅销。
Any reason?
有什么理由吗？