A blue cloud of plasma appears , rising and hovering , ghostlike , in the center of the reaction chamber .
一团蓝色的等离子云如鬼魅一般地升腾而起，继而悬停于反应室的中心。
The ghostlike character of this development lies in its apparently compulsory trend .
这种发展的可怕之处就在于它已成了必然趋势。
This illusion first discovered in 1870 is characterized by the " ghostlike " intermittent appearance of lightly colored gray dots that seem to connect the white surfaces and the black background .
