YOU SAID:

this seems to be a fire extinguisher, but it is in fact a hand grenade

INTO JAPANESE

これは、消火器のようですが、それは実際には手榴弾で

BACK INTO ENGLISH

This is like a fire extinguisher, but it is actually a grenade

INTO JAPANESE

これは、消火のようだ実際に手榴弾

BACK INTO ENGLISH

It's like fire-fighting practice grenades

INTO JAPANESE

練習の手榴弾の火戦いのようです。

BACK INTO ENGLISH

It seems to be a practice grenade fire fighting.

INTO JAPANESE

練習の手榴弾は消火活動をするそうです。

BACK INTO ENGLISH

Practice grenade seems to fire-fighting activities.

INTO JAPANESE

練習の手榴弾は消防活動にようです。

BACK INTO ENGLISH

Practice grenade fire activity as it is.

INTO JAPANESE

そのまま手榴弾消防活動を実践します。

BACK INTO ENGLISH

Firefighting grenade, practice the intact.

INTO JAPANESE

消防手榴弾、無傷の練習。

BACK INTO ENGLISH

Firefighting grenade, sound practice.

INTO JAPANESE

消防の手榴弾、音の練習。

BACK INTO ENGLISH

Firefighting grenade, sound practice.