She emerged from the overturned car with only a few scrapes and bruises.
她从翻了的车里钻出来,只擦破一点皮,碰了几块淤青。
The Italian city of Venice is a city with only a few roads.
意大利的威尼斯是一个只有几条公路的城市。
When the Europeans arrived, Rapa Nui was grassland, with only a few scrawny trees.
当欧洲人到达时,拉帕努伊还是一片草原,只有几棵瘦骨嶙峋的树。
Now, the problem, or one of the challenges with clinical trials of vaccines is that you have to enroll a lot of patients into clinical trials because only a few are going to get sick in any case, only 20 out of 100,000.
现在的问题是,这也是疫苗临床试验的挑战之一,临床试验必须包括足够多的病人,毕竟只有一小部分人会被传染,十万人里面只有二十人被传染
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