怎样判断长龙简介：At this moment, transparent vessels are placed in the laboratory one by one, flashing faint fluorescence under the light. Looking carefully, these glass bottles are not pure enough, and they have some strange colors.
At this moment, transparent vessels are placed in the laboratory one by one, flashing faint fluorescence under the light. Looking carefully, these glass bottles are not pure enough, and they have some strange colors.
