chemistry of Saturnian satellites
基本释义
[天] 土卫化学
实用场景例句
日常对话
They took precautions to prevent the spread of the epidemic.
他们采取措施防止疫情扩散。
校园生活
The school closed due to an epidemic outbreak.
学校因疫情爆发而关闭。
社会场景
The city faced an epidemic of flu last winter.
去年冬天，这座城市面临流感大流行。
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