食物 | a sandwich with layered deli meats, cheeses, and crisp lettuce on toasted bread, served open-faced on a white plate
自然 | a tranquil lake surrounded by smooth, flat rocks, reflecting calm waters, and dotted with a few solitary trees
动物 | 一只袋鼠在晴朗的天空下跳跃穿越广阔平坦的草原