That is the most powerful kind of storm on the five-level scale that measures a tornado's power.

用来评定龙卷风破坏力的系统共分为五级，EF-5是最高级别。

youdao

That is the most powerful kind of storm on the five-level scale that measures a tornado's power.

用来评定龙卷风破坏力的系统共分为五级，EF-5是最高级别。

youdao