常見(jiàn)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(wǎng)絡(luò)犯罪非常容易操作，門檻很低。 返回 doorsill