In our dearth of ack-ack guns all sorts of contrivances were used.

在缺少高射炮的时候，我们利用了各种各样的巧妙方法。

youdao

In our dearth of ack-ack guns all sorts of contrivances were used.

在缺少高射炮的时候，我们利用了各种各样的巧妙方法。

youdao