They looked unnaturally white, that day, those birds. The waves were depositing a fringe of soiled yellow foam along the waterline. No sail marred the high horizon.
那天，这些海鸟看起来异乎寻常的白。海浪沿着水岸线留下了一条黄色的脏泡沫带。远处，看不见航船。
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The high-memory waterline refers to the highest memory footprint of an application during a certain period.