Physical geography is the study of mountains, rivers, seas, and rocks.
自然地

究山脉、
流、海洋

的科学。
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It declared that such travelers as Goncharov were driven by the pursuit of truth, rather than material gain or power, which made their reports on natural history, ethnography, physical geography, and history particularly valuable for young readers.
它宣称,像冈察洛

的旅行者
受追求真理的驱使,而不
物质利益或权力,
使得他们关于自然历史、民族志、自然地理和历史的报告对年轻读者特别有价值。