Mgd
abbr. million gallons per day 百万加仑; million gallons per day 百万加仑
🗣️ 情景例句
They get better and better.
它们越来越好。
Hit the jackpot.
歪打正着。
when a significant number of people are living permanently in space.
如果有相当数量的人永久性地住在太空，