短語詞組短語bear -trap drift-chutes 斜撐閘板筏道Gate bear -trap 熊阱閘門The Bear Trap 捕熊陷阱bear trap dam 熊阱壩bear trap gate 熊阱式閘門;開合式閘門Weir bear trap 熊阱堰A Bear Trap 捕熊器 返回 bear trap