单词：alternation of generation
alternation of generation的用法和样例：
例句
- Due to no alternation of generations,the medusoid phase being entirely suppressed.由于没有世代交替，水母阶段遭到完全抑制。
- They show a heteromorphic alternation of generations, the gametophyte eging the dominant generation.苔藓植物具有明显的世代交替现象，配子体在世代交替中占优势。
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