plastron respiration[昆] 气盾呼吸
Plastron metal电衣
metallic plastron金属衣
internal plastron有内气盾
tortois plastron龟板
cuirass plastron胸甲
Plastron Stirn斯特恩盘式
gaseous plastron[昆] 气盾
tortoise plastron龟板
N（名词） the bony plate forming the ventral part of the shell of a tortoise or turtle 乌龟或海龟的胸甲