以历史为例，二次大战时，我们以布里斯班为一条线，把汤斯维尔、凯恩斯、达尔文和伯斯基本上看作是二级防卫区。

So historically for example, in World War II with the Brisbane line we saw that places like Townsville and Cairns, Darwin and Perth were essentially secondary defense areas, "he said."

youdao

以历史为例，二次大战时，我们以布里斯班为一条线，把汤斯维尔、凯恩斯、达尔文和伯斯基本上看作是二级防卫区。

So historically for example, in World War II with the Brisbane line we saw that places like Townsville and Cairns, Darwin and Perth were essentially secondary defense areas, "he said."

youdao