基本解释n.門檻同根派生 doorsill相关词英汉例句用作名詞 (n.)He stubbed his toe against the doorsill.他的腳趾踢到了門檻上。Next, network crime is very maneuverable, the doorsill is very low.其次,網絡犯罪非常容易操作,門檻很低。doorsill更多例句