0 the state or fact of being related to a particular person or group of people who lived in the past -- 血緣關係,家族關係;祖先;出身
1 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。
2 a movement down -- 下降,下落;下沉
3 a change in someone's behaviour, or in a situation, from good to bad -- 墮落,蛻變
During descents, eagles can drop as much as 60m ft at a time before circling back up.
Their blood had currency in dynastic transactions, and their honour - read as chastity - was the guarantor of the purity of male lines of descent.
In emergency descents it was permissible to use reverse thrust of up to 10,000 rpm.
He has the most difficult 18 descents to his credit.
The teamster usually rode the left wheeler, but he could also drive from the trailer seat, working the brake on steep descents.
An earlier crossing by small ships led to some having the front of their chartrooms stove in, flooding the forepart and unfortunate descents.
Each of these descents features a dangerous obstacle, such as trees, avalanches, large drops, low oxygen, freezing areas and darkness.
Here only the chromatic descent will be discerned: the darkness has finally made the outline of the butterflies that cause it invisible.