例句與造句

1. Proplastid a self - duplicating undifferentiated plastid , about 0 . 5 - 1 m in diameter and found in the meristematic regions of plants . they grow and develop into plastids of different types
   前質(zhì)體：能夠自我復(fù)制的沒有分化的質(zhì)體，直徑約0 . 5 - 1微米，發(fā)現(xiàn)于植物分生組織區(qū)域。它們生長發(fā)育為不同類型的質(zhì)體。
2. It's difficult to find self-duplicating in a sentence. 用self-duplicating造句挺難的