Paragastrula
[動]擬原腸期, 副原腸胚
??? 情景例句
How about furnishings?
家具擺設怎么辦？
Why are you yelling?
你鬼叫個什么勁兒啊！
There were no classes this afternoon. My classmates all went to People's Park.
今天下午沒有課。同學們都到人民公園去了。