Oum
abbr. oscillating ultrasonic mist fluxer 摆动式超声烟雾流量计; Oxford University Mission 牛津大学代表团
🗣️ 情景例句
When was your last day off?
上次休假是在什么时候？
Who is the auther of this mystery story?
谁是这篇神秘故事的作者？
We need it in our office by next Monday.
下星期一以前要送到我们公司。