当人类走出地球的那一刻,对于浩瀚的宇宙就充满了无限的向往和探索兴趣。在人类没有走出地球之前,我们认为地球是一个无限的空间,大到没有边际。可是随着人类科技的进步,我们对地球的认知也在越
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Latest Covid19 Info
- Ontario New Case+2,632
- Ontario New Death+46
- Canada First doses658,662
- Canada Second doses53,629
- Canada % of population vaccinated1.87%
- Canada Received from manufacturer893,240
- Canada Received doses administered79.7%