Some of it became entrained with sand and the sediment coalesced into mats that will stay submerged until they are weathered by the water or spotted by the Coast Guard.
应该有部分原油渗入沙中，并和沙一起沉淀最终合成一体。 它们在被水风化或被海岸巡逻队探测到之前都会淹没在水中。
Most of the sediment directly enters the headwaters of the Mekong River or is deposited in riparian areas where it is entrained during later floods.
大部分泥沙直接进入了湄公河上游或是沉降在河岸地区，被日后的洪水中带走。
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