gymnosperms

常见例句

• Its native gymnosperms could evolve into a few species capable of growing in the warm, moist forests of Queensland.
  本地的裸子植物可进化成能在昆士兰温暖湿润林区的树种。
• Most angiosperm ovules possess two integuments, while gymnosperms usually have only one.
  大多数被子植物的胚珠有两层珠被，而裸子植物通常只有一层。
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