基本解释n.门槛同根派生 doorsill相关词英汉例句用作名词 (n.)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。doorsill更多例句