descent

中文： 下降、下坡、血统

1. An instance of descending; act of coming down. (countable, uncountable) · We climbed the mountain with difficulty, but the descent was easier.
2. A way down. (countable, uncountable) · We had difficulty in finding the correct descent.
3. A sloping passage or incline. (countable, uncountable) · The descent into the cavern was wet and slippery.
4. Lineage or hereditary derivation. (countable, uncountable) · Our guide was of Welsh descent.
5. A drop to a lower status or condition; decline. (countable, uncountable) · After that, the holiday went into a steep descent.
6. A falling upon or invasion. (countable, uncountable)
7. A particular extension of the idea of gluing. (countable, uncountable)

复数 descents