回声定位的计算公式简介:They had already lost two of their younger brothers, and they didn't know who was behind the attack. If they continued to fight, the whole army might be wiped out. So, although Ba Dao was unwilling to give in, he finally chose to retreat.
They had already lost two of their younger brothers, and they didn't know who was behind the attack. If they continued to fight, the whole army might be wiped out. So, although Ba Dao was unwilling to give in, he finally chose to retreat.