doorsill

美音音标: ['dɔːsɪl] doorsill
英音音标: ['dɔːsɪl] result.0.expl|add:"

解释
门槛;

同义
doorsill doorstep threshold
词性
n
解释
the sill of a door; a horizontal piece of wood or stone that forms the bottom of a doorway and offers support when passing through a doorway
示例
None