Mgd
abbr. million gallons per day 百万加仑; million gallons per day 百万加仑
🗣️ 情景例句
It works!
有效！
A lion at home, a mouse abroad.
在家凶如狮，在外却如鼠。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。