Epigenotype
后生型, 总发育体系
🗣️ 情景例句
when Susan and Richard were babies?
当Richard和Susan还很小时？
Uh-oh, here comes my boy friend, he's insanely jealous.
噢，我男朋友过来啦，他可是个大醋坛子呦。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。