Blastulation
囊胚形成
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
Some restaurants give out an odor that reaches to the street.
一些餐厅里面的气味飘到了街上。
so it was easier for the detective to watch her.
因此，侦探比较容易监视她。