Euchromatization
常染色质形成
🗣️ 情景例句
I need a new toothbrush. My old one's worn out.
我需要一支新牙刷。旧的用坏了。
I'll probably wake up early and get up at 6:30.
我可能早醒并在6:30起床。
Yes, I have.
是的，我刚去过。