coma:a deep unconscious state, usually lasting a long time and caused by serious illness or injury 昏迷
to go into/be in a coma 陷入╱处于昏迷状态
vanish:to disappear suddenly and/or in a way that you cannot explain (莫名其妙地)突然消失
The magician vanished in a puff of smoke. 魔术师在一股烟雾中突然不见了.
My glasses seem to have vanished. 我的眼镜似乎不翼而飞了.
He seems to have vanished without trace. 他似乎消失得无影无踪.
