英語翻譯：

petal; piston
【醫(yī)】 flap; valva; valve; valvula; valvulae; valvule

相關詞條：

1.piston  2.valvula  3.clack  4.lobe  5.valve  6.lamella  

例句：

1. 花瓣在陽光下張開了。
   The petals of the flowers expanded in the sunshine.
2. 到時候樹就落葉、花就掉?em>輟?
   Trees shed their leaves and flowers shed their petals.
3. 許多花的花瓣在陽光中綻放。
   The petals of many flowers expand in the sunshine.
4. 向日葵是長著黃色花瓣的大花。
   Sunflowers are large flowers with yellow petals.
5. 樹下有數(shù)不清的花瓣。
   There are numerous petals under the tree.