descent相关的词根或词缀是: scendscensscent

复数： descents

Some worry about a descent to italian standards .

有些人担心媒体会下降到意大利水平上去。

But in the case of balloons , the descent sometimes comes sooner than expected .

但是就热气球来说，有时候它下降时比预想要来的快。

After traveling roughly 80000 kilometers ( 50000 miles ) , the spacecraft deployed its initial chutes to stabilize and slow its descent .

在飞行了约八万公里（约五万英里）后，飞船启用了第一批降落伞来稳定机身并减缓下降速度。

Researchers have observed , for example , that long-haul pilots who sleep during flights perform better when maneuvering aircraft through the critical stages of descent and landing .

例如，研究者已经观察到在航班期间小睡的长途飞行员在驾驶飞机的时候，在下降和着陆的关键步骤上表现较出色。

Each nonterminal in a parsing expression grammar essentially represents a parsing function in a recursive descent parser , and the corresponding parsing expression represents the " code " comprising the function .

解析表达文法里面的每一个非终结符本质上表示递归下降解析器里面的一个解析函数，其对应的解析表达式展示了这个函数包含的代码内容。