Otb
abbr. 场外赛马赌博（offtrack betting）
🗣️ 情景例句
Earth day should be every day.
每一天都应该是地球日。
Better poor with honour than rich with shame.
穷得光荣，胜过富得可耻。
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，