Autobivalent
同源二价的, 同源二价染色体
🗣️ 情景例句
No. I sold the house and the furniture,put a few personal things in an old trunk,
不。我把房子和家俱都卖了，剩下一些东西放进一个旧衣箱，
I got your back.
放心！
Come up these steps with me, please, and be careful.
请跟我走上这些台阶，请小心点。