Pregastrulation
原肠形成前期
🗣️ 情景例句
Why do you want to resign your position as secretary?
你为什么想辞去秘书的职务？
Let's just hope it doesn't get cold again.
但愿不会再冷。
Bill works harder than Joe and grows more flowers and vegetables, but Joe's garden is more interesting.
他比乔也更为勤奋，种植的花卉和蔬菜也更多，但乔的花园更富有情趣。