Pregastrulation
原腸形成前期
??? 情景例句
It might be a little cold.
可能有點涼了。
We have some reports to show you for background information.
我們還有一些報告向你介紹背景資料。
Now, dressed in a blue uniform and with a rifle over his shoulder, the prisoner marched boldly up and down in front of the camp.
現在他身穿藍軍裝，肩扛步槍，在軍營門前大膽地來回走看。