Astronomers will have to collect more spectra from these stars to confirm their suspicions.天文学家们必须要从这些恒星上采集更多的光谱来证实他们的推想。The resonance scattering spectra of colibacillus have been studied.研究了大肠杆菌的共振散射光谱.The infra - red s...
The Red Cross has arranged two local ceasefires, allowing non-combatants to receive medical help.红十字会已经安排了两次地区停火，以使平民能够接受医疗救助。The ships sailing from Florida were landing arms and combatants.由佛罗里达来的船只正在卸武器,并让武装人员上岸.I have...