trap-door fault活门状断层
TRAP-DOOR舞台暗坑门;陷门;天窗
trap-door structure封闭门构造
trap-door flap合页状皮瓣
trap-door commitment陷门承诺
trap-door incision活门状切开英语;翻译
trap-door spider活板门蛛;土蜘蛛;陷井蛛;地下蛛
trap-door unilateral function陷门单向函数
hinge flap trap-door flap翻转皮瓣
N-COUNT(可数名词) A trapdoor is a small horizontal door in a floor, a ceiling, or on a stage. 活板门