drawbridge

名词 drawbridge:

1. a bridge that can be raised to block passage or to allow boats or ships to pass beneath it
   同义词：lift bridge

1. The chains clanked as the drawbridge opened.
   吊桥放下时，铁链发出叮当声。

draw.bridge

n.（名词）
A bridge that can be raised or drawn aside either to prevent access or to permit passage beneath it.
吊桥：可以提升、放下或拉到边上以便通行或阻断的桥