aplasia of iris的用法和样例：
- An iris, especially a white-flowered form of Iris germanica.
- He is dishonest, to say nothing of iris other faults.
- Stuey on the Seed Characters of Iris Lactea Pall. Var. Chinensis Koidz.
- Prior to that, he was president and chief executive officer of IRI France.
- There were Turk's head lilies and patches of iris ,islands of brilliant blue set capriciously in the green sea.