doorsill是什么意思

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]...