descent
柯林斯词典
1. N-VAR A descent is a movement from a higher to a lower level or position. 下降
Sixteen of the youngsters set off for help, but during the descent three collapsed in the cold and rain. 那些年輕人中有16人出發尋求幫助，但在下山過程中有3人在寒冷和隂雨中倒下了。
2. N-COUNT A descent is a surface that slopes downward, for example, the side of a steep hill. 下坡
On the descents, cyclists spin past cars, freewheeling downhill at tremendous speed. 在下坡道上，自行車手們飛快地掠過汽車，靠慣性極速沖下山去。
3. N-SING When you want to emphasize that a situation becomes very bad, you can talk about someone's or something's descent into that situation. 沉淪; 沒落[強調]
...his swift descent from respected academic to struggling small businessman. …他從受人尊敬的學者到掙紥求存的小商人的迅速淪落。
4. N-UNCOUNT You use descent to talk about a person's family background, for example, their nationality or social status. 出身[正式]
All the contributors were of African descent. 所有捐助者都是非洲血統。
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descent /dɪˈsɛnt/ (descents)
剑桥词典
descent noun (RELATION)
[ 不可數或單數名詞：沒有複數形式的名詞 ]the state or fact of being related to a particular person or group of people who lived in the past
血緣關系，家族關系；祖先；出身
She's a woman of mixed /French descent. 她是一個混血／法裔女人。
They trace their line of descent back to a French duke . 他們的先人可以追溯到一位法國公爵。
He claims direct descent from Mohammed . 他自稱是穆罕默德的直系後代。
descent noun (ARRIVAL)
[ 不可數或單數名詞：沒有複數形式的名詞 ]an occasion when a group of people arrive somewhere , usually suddenly or unexpectedly
不期而至，突然到達
We weren't prepared for the descent of thousands of journalists on the town . 我們沒想到數千名記者會突然來到鎮上。
descent noun (POSITION)
[ 可數名詞：有複數形式的名詞 or 不可數或單數名詞：沒有複數形式的名詞 ]a movement down
下降，下落；下沉
The plane began (to make) its final descent into the airport . 飛機開始（做）最終下降，準備在機場著陸。
There is a steep descent (= way down, such as a path ) to the village below. 有一條很陡的路通曏下麪的村莊。
descent noun (NEGATIVE CHANGE)
[ 單數名詞 or 不可數或單數名詞：沒有複數形式的名詞 ]a change in someone's behaviour , or in a situation , from good to bad
墮落，蛻變
His descent into crime was rapid . 他很快就墮落到犯罪的地步。 返回 descent