Blastulation
囊胚形成
🗣️ 情景例句
about us not having dinner with the family,
对于我们无法与全家人共进晚餐一事
The designer is working hard on a new project.
设计师在努力筹划新颖的设计项目。
There is no need to say anything to the other worker.
你没有必要跟那个工友说什么。