怎么理解“a dangerous animal is still at large in the queit countryside”里面的at和in两个介词?

怎么理解“a dangerous animal is still at large in the queit countryside”里面的at和in两个介词?
怎么理解“a dangerous animal is still at large in the queit countryside”里面的at和in两个介词?

怎么理解“a dangerous animal is still at large in the queit countryside”里面的at和in两个介词?
我不知道对不对o
前面那个正如still at large（还在潜逃）
用法和be in danger一样的
后面那个就是在一个地方波,蛮好理解的

still at large（还在潜逃） in the queit countryside （在寂静的郊野里）