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世界是由七大洲和四大洋组成的。
The world is made up of seven continents and four oceans.
youdao
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世界是由七大洲和四大洋组成。
The world is made up seven continents and four oceans.
youdao
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在世界地图上，准确地指出七大洲、四大洋的位置。
Point out the locations of 7 continents and 4 oceans exactly on the map.
youdao