Blastulation
囊胚形成
🗣️ 情景例句
A cookie can't hurt, though.
但一片小甜饼不要紧。
Adversity is a good discipline.
苦难是磨练人的好机会。
She then immediately spelled the word j-u-m-p for me.
紧接着，她又为我拼写j-u-m-p这个单词。