Pregastrulation
原肠形成前期
🗣️ 情景例句
She is devoted to her children.
她深爱她的孩子。
Don't underestimate the difficulties of the work.
不要低估了这项工作的限巨性。
It often rains,sometimes quite heavily. Everything grows very quickly.
常下雨，且有时下得很大。万物生长很快。