焦点为(0,6),且与双曲线x22-y2=1有相同的渐近线的双曲线方程是( )
Don't tell a lie.
宽叶
窄叶
粗茎
细茎
扁豆型
圆豆型
雌株
1
0
14
34
雄株
If there are ______ trees, the air in our city will be _______ cleaner.