单词	动力升限
释义	动力升限医peak altitude
随便看	Is that a sapphire? Is that a shopping list Is that a shopping list? Is that a size 6 hat? If so Is that a size 6 hat? If so,it will do me Is that a stamp Is that a stamp? Is that a strike Is that a strike? is that a tape is that a tape? Is that a tin of tobacco for me Is that a tin of tobacco for me? is that a vintage clock in your car? Is that a watermelon Is that a watermelon? Is that better Is that better? Is that blonde girl your daughter Is that blonde girl your daughter? is that book yours Is that book yours? Is that box made of tin or steel? Is that butterfly blue is that butterfly blue?