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 .
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 .
n. 降落, 家系, 侵袭, 血统 【医】 下降, 世代, 血统 【经】 无遗嘱遗产 相关词组: make a descent upon...
英语解释
名词 descent:
a movement downward
properties attributable to your ancestry同义词:origin, extraction
the act of changing your location in a downward direction
the kinship relation between an individual and the individual's progenitors同义词:line of descent, lineage, filiation
a downward slope or bend同义词:declivity, fall, decline, declination, declension, downslope
the descendants of one individual同义词:lineage, line, line of descent, bloodline, blood line, blood, pedigree, ancestry, origin, parentage, stemma, stock
例句
He traces his descent back to an old norman family.他追踪自己的世系上溯至一个古老的诺曼家族。
The descent down the mountain took nearly two hours.下山差不多花了两个小时。
There was a descent of temperature after rain.雨后气温下降了。
详细解释
de.scent n.(名词)The act or an instance of descending.下降,降落:下降的动作或实例A way down.下坡路:向下延伸的路A downward incline or passage; a slope.斜面,斜坡:向下的斜面;倾斜面 Hereditary derivation; lineage:出身,血统,祖籍:遗传血统;家系:例句:a person of African descent.一个非洲血统的人 One generation of a specific lineage.一代家族:某种特殊世家的后代 The fact or process of coming down or being derived from a source:演化,派生:从某一源泉发展或演化出来的事实或过程:例句:a paper tracing the descent of the novel from old picaresque tales.追溯古老的传奇故事演化到小说的论文 Development in form or structure during transmission from an original source.发展:演化的过程中在形式或结构上的发展Law Transference of property by inheritance.【法律】 继承:通过继承实现的财产转移A lowering or decline, as in status or level:(如地位或水平的)下降,转下坡路:例句:Her career went into a rapid descent after the charges of misconduct.在为这次管理不善承担主要责任后,她的职业生涯开始走上急剧的下坡路 A sudden visit or attack; an onslaught.猛攻:突然拜访(或攻击);猛攻 来源:Middle English 中古英语 from Old French 源自 古法语 from descendre [to descend] * see descend 源自 descendre [下降,走下坡路,传下] *参见 descend