Ulv
abbr. 超低电压（Ultra Low Voltage）；超低容量（Ultra-Low-Volume）
🗣️ 情景例句
555-9470…and it's busy….
555-9470……还是忙音 ……
I invited him last Thursday.
我上个星期四邀请他。
Some of this heat near the earth's surfact is used to make electricity.
靠近地表的一部分热量已被用来发电。