Free day with host family 与寄宿家庭共度周末快乐时光
Is it too much to dream that China will one day host the Olympic Games?
中国何时才能在自己的土地上举办一次奥运会?
These so-called viral fossils are not mineralized relics but rather bits of genetic code held over in the genome of a modern-day host organism.
这些所谓的病毒化石并不是矿化后的遗迹,而是存在于现在宿主机体里的基因代码。
The global host of the 2010 World Environment Day celebration is Rwanda.
2010年世界环境日庆祝活动的全球主办国是卢旺达。
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