Investigation showed that ascorbic acid oxidase, polyphenol oxidase and catalase activities decrease with advancing seedling age of the sugar cane (Saccharum officinarum L. ) . 甘蔗(Saccharum officinarum L.
The seedling have shrivel up a bit in the hot sun. 在炎热的太阳光下，幼苗已有一点乾枯。
Two cotyledons have come out from the seedling. 小苗长出了两片子叶。
The seedling was frozen to death. 幼苗被冻死了。
England is an advanced industrial country. 英国是一个发达的工业国家。