During its long descent, this organic matter may be eaten, excreted, and decomposed, drastically reducing its nutritive value.
在下降的过程中，这些有机物质可能会被吃掉、排出和分解，这样一来其营养价值就大大的降低了。
The small company made the long descent in silence, stopping thrice to refresh themselves along the way.
小队伍安静地下行，过程中三次停顿休息。
The small company made the long descent in silence, stopping thrice to refresh themselves along the way.
小队伍安静地下行，过程中三次停顿休息。
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