例句與造句

1. A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn .
   不定胚與合子胚之間不能劃分出明顯的界限。
2. The first demonstration of the formation of adventive embryos from carrot tissue explants can be traced to the work of reinert .
   由胡羅卜組織外植體來的可定胚形成的最初證實可追溯到Reinert的工作。
3. The first demonstration of the formation of adventive embryos from carrot tissue explants can be traced to the work of reinert
   由胡羅卜組織外植體來的可定胚形成的最初證實可追溯到reinert的工作。
4. It's difficult to find adventive embryo in a sentence. 用adventive embryo造句挺難的