我不知道什么是通古斯大爆炸，不得不去网上查了查。

I didn't know what the Tunguska incident was. I had to look it up.

youdao

据信，1908年俄罗斯上空发生的强劲爆炸——通古斯大爆炸背后，有一个直径约六十米的小行星或慧星碎片。

An asteroid or comet fragment around 60 meters across is believed to have been behind the Tunguska Event, a powerful explosion that took place over Russia in 1908.

youdao

后来才知道，原来西伯利亚有个名叫通古斯的地方，这里曾发生过一次大爆炸，方圆几千英亩的森林瞬间被夷为平地。

Turns out there was this place in Siberia where for thousands of acres the trees were suddenly laid flat.

youdao

后来才知道，原来西伯利亚有个名叫通古斯的地方，这里曾发生过一次大爆炸，方圆几千英亩的森林瞬间被夷为平地。

Turns out there was this place in Siberia where for thousands of acres the trees were suddenly laid flat.

youdao