基本解釋n.下筆同根派生 pen-down相關(guān)詞英漢例句用作名詞 (n.)After he finished his exercise,he put down his pen.他做完練習(xí),就放下筆。Tapping the pen twice is equivalent to double-clicking a mouse.輕擊兩下筆,這相當(dāng)于雙擊了鼠標(biāo)。pen-down更多例句