Fresh water from the Parana and Uruguay rivers collides with salt water from the South Atlantic Ocean in the muddy estuary of RioDElaPlata.
巴拉那河和乌拉圭河的淡水与来自南大西洋的海水在拉普拉塔泥泞的河口相互碰撞着。
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Finally, the RioDElaPlata deposits nitrogen and iron-laden sediment into the ocean just north of the area shown in the image.
最后,拉普拉塔河把氮素和富含铁质的沉淀物搬运到在图中所示地域以北的海洋。
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The city was established in 1580 on the RiodelaPlata, or "river of silver, " and its merchants grew rich not from ore but from trading beef, grain, and produce grown on the surrounding Pampas.