Karyogenetics
核遗传学
🗣️ 情景例句
I didn't have that when Richard and Susan were born.
在Richard和Susan出生时我可没有人帮忙。
It's up to you.
一切由你决定。
For years he has been asking me to collect snails from my garden and take them to him.
多年来，他一直让我把我园子里的蜗牛收集起来给他捎去。