YOU SAID:

I didn't know the mine evac alarm noise was the sound of every beltline horn sounding simultaneously.

INTO JAPANESE

私は、地雷除去警報の音が、すべてのベルトライン ホーンが同時に鳴っている音だとは知りませんでした。

BACK INTO ENGLISH

I didn't know that the mine clearing alarm was the sound of all the beltline horns going off at the same time.

INTO JAPANESE

地雷除去警報がベルトラインのホーンが同時に鳴る音だとは知らなかった。

BACK INTO ENGLISH

I didn't know that the mine clearing alarm was the simultaneous sound of beltline horns.

INTO JAPANESE

地雷除去警報がベルトラインの警笛の一斉音だったとは知りませんでした。

BACK INTO ENGLISH

I didn't know the mine clearing alarm was a beltline whistle blast.

INTO JAPANESE

地雷除去警報がベルトラインのホイッスル爆音だったとは知らなかった。

BACK INTO ENGLISH

I didn't know the mine clearing warning was a beltline whistle.

INTO JAPANESE

地雷除去警報がベルトラインホイッスルだとは知らなかった。

BACK INTO ENGLISH

I didn't know mine clearance warnings were beltline whistles.

INTO JAPANESE

地雷除去警告がベルトライン ホイッスルだとは知りませんでした。

BACK INTO ENGLISH

I didn't know mine clearance warnings were beltline whistles.