1. I need a more flammable fuel. ����Ҫ����ȼ�յ�ȼ�ϡ�
2. Fire or explosion arising from residual flammable materials. �����ȼ����������ֻ�ը��
3. The first element in the periodic table, a light, highly flammable gas that combines with oxygen to make water. �������Եĵ�һ��Ԫ�����飬һ���⣬�����������ˮ�ĸ߶���ȼ����˹��