您要查找的是不是：
- HIV下降 HIV drops
- 下降 to decline
- 下降的 katabatic
- 价格下降 price fall
- 急剧下降 toboggan
- 下降趋势 downtrend
- 下降到 drop down to
- 温度下降 temperature drop (fall)
- 大幅下降 decline to a great extent
- 下降了 Fall by
- 你的工作质量有所下降。 There has been a slip in the quality of your work.
- 质量下降 downgrade
- 下降沿 trailing edge
- 同比下降 fall
- 股票价格一直趋向下降。 Share prices have been trending down.
- 性能下降 performance reduction
- （因缺乏实践）质量或标准下降；荒疏 Of a poor quality or standard through lack of practice
- 那个地区的大象总数在下降。 The elephant population in that area is falling.
- 明显下降 dramatic decline
- 直线下降 linear decrease
