Parachromatin
副染色质
🗣️ 情景例句
But first in the school-rooms.
但首先是在教室 。
It is lost labour to sow where there is no soil.
没有土壤，播种也是徒劳。
History does not relate whether his friend accepted his medical help, but in all probability he did.
他的朋友是否接受了他的药物治疗，历史没有记载，但很可能是接受了。