Euchromocenter
常染色中心
🗣️ 情景例句
My hobbies are hiking, fishing and climbing.
我的嗜好是远足、钓鱼和爬山。
I meet the boy whose aunt is a clerk.
我遇到那个男孩的姑妈是店员。
It was Wednesday.
昨天是星期三。