n.门槛，阈...

He stubbed his toe against the doorsill.他的脚趾踢到了门槛上.Next, network crime is very maneuverable, the doorsill is very low.其次, 网络犯罪非常容易操作, 门槛很低.Song Liping discloses, current, the admittance doorsill of investor is among argu...

doorsill的音标：doorsill的英式发音音标为：['dɔ:sɪl]doorsill的美式发音音标为：['doʊrˌsɪl]...