diverse group of children exploring outdoors, sketching and note‑taking in a green field - 校外實地考察 個照片及圖片檔兒童, 學習, 教師
a smiling young woman with a yellow backpack on her back gets into a mini bus, ready for a tourist adventure and a trip with a diverse group of friends - 校外實地考察 個照片及圖片檔旅遊業, 運輸, 渡假
teacher and young children exploring botanic gardens while on educational field trip - 校外實地考察 個照片及圖片檔教育, 室內, 柏林
portrait of a smiling young man in a plaid shirt and yellow backpack enters the minibus, ready to travel - 校外實地考察 個照片及圖片檔
a diverse group of students prepares for a trip, waiting to be called by the male tour guide before boarding the minibus - 校外實地考察 個照片及圖片檔巴士, 乘客, 指導
young black girl exploring nature with magnifying glass outdoors for science project - 校外實地考察 個照片及圖片檔兒童, 放大鏡, 女孩
four friends are taking a break during a hike while they are looking at view - 校外實地考察 個照片及圖片檔室外, 露營, 健康的生活方式