raphid

基本解释

• (复raphides)针晶(体)

同根派生

英汉例句

• On the contrary, the inland species has thin leaves with less cuticular wax, superficial anomocytic stomata, no hypodermis and enlarged terminal tracheids, drused and raphid crystals.
  本族的四属植物之上下叶表均有出现木栓疣的可能，但只在红树属的叶下表规则地出现。
• raphid idioblast
  针晶异细胞