Dvr
abbr. 放电调压器（Discharge Voltage Regulator）；硬盘录像机（Digital Video Record）；动态电压恢复器（Dynamic Voltage Restorer）
🗣️ 情景例句
Ten o'clock,
十点钟，
We had a good time.
我们过得很愉快。
But even the mosquito has been subdued by attention to drainage and by chemical sprays.
然而即使蚊子，也由于我们注意清理污水和喷洒化学药品而被制服了。