脑袋一顿一顿的，长嘴一上一下地在水面打点。
Head meal meal, and a long beak of a dot on the look out on the water.
Sara喜欢一上一下地干，而我却喜欢一左一右地干。
Sara likes doing it up and down, and I like doing it left to right.
Sara喜欢一上一下地干，而我却喜欢一左一右地干。
Sara likes doing it up_and_down, _and_I like doing it left to right.
Sara喜欢一上一下地干，而我却喜欢一左一右地干。
Sara likes doing it up_and_down, _and_I like doing it left to right.
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