circulatory system [ˈsɜːkjʊleıtərı ...] 名词 生物
- circulatory system
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单语范例（未经PONS编辑处理）
It is the first game in the series to be released for the portable game system.
en.wikipedia.org Most countries have adopted the metric system officially over a transitional period where both units are used for a set period of time.
en.wikipedia.org Many scientists and other users, particularly in countries where the metric system is not widely used, use the pronunciation with stress on the second syllable.
en.wikipedia.org Originally run at a distance of miles, in 1972 it was changed to 2,400 metres to conform to the metric system.
en.wikipedia.org Since 1830, a great deal of national legislation has been enacted, with much of it addressing the acceptance or the rejection of the metric system.
en.wikipedia.org