1、photo by：解释是：由......提供（所拍）的照片。

2、双语对照：例句:（1）Photo by jessica merz net neutrality has been in the press for a while now.由杰西卡梅尔兹网络中立照片已在一段新闻了。（2）The antarctic ice sheet, shown above in this photo by ted scambos of thenational snow and ice data center in boulder, colo., is the largest ice masson earth and the key to the question of global sea level.南极冰盖--照片里由来自科罗拉多州布德尔市国家冰雪数据中心的ted scambos所拍摄的图像--是世界上最大的冰块，也是解决全球海平面问题的关键。

photo by是什么意思