在非洲的塞伦盖蒂大草原度假时，我曾一连3小时坐在河边，看一小群角马如何鼓起勇气下河饮水。
When enjoying holidays in Serengeti Plain, I spent three hours by the riverside watching a small group of wildebeests bracing themselves for stepping into the river to drink water.
在非洲的塞伦盖蒂大草原度假时，我曾一连3小时坐在河边，看一小群角马如何鼓起勇气下河饮水。
When enjoying holidays in Serengeti Plain, I spent three hours by the riverside watching a small group of wildebeests bracing themselves for stepping into the river to drink water.
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