In his diary, he tells of entering the hollow interior of the earth, along with others and traveling 17 miles over mountains, lakes, rivers, green vegetation, and animal life.
在他日记里，他告诉进入空心地球内部，与其他人一道旅行了17英里，飞越了山脉、湖泊、河流、绿色植被和动物。
Foods with lots of calcium include diary products such as milk and yogurt and leafy green vegetables. Calcium is important in preventing osteoporosis.
高钙食品包括乳制品如牛奶和酸奶以及绿色蔬菜（绿色叶菜）。钙对于预防骨质疏松相当重要。
Foods with lots of calcium include diary products such as milk and yogurt and leafy green vegetables. Calcium is important in preventing osteoporosis.
高钙食品包括乳制品如牛奶和酸奶以及绿色蔬菜（绿色叶菜）。钙对于预防骨质疏松相当重要。
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