descent
下降
常用释义
英音[ dɪˈsent ]
美音[ dɪˈsent ]
变形
复数:
descents
基本释义
- n. 下降，降落；斜坡，斜面；出身，血统；堕落，沦落；突然到访，突袭
考试频率
四级
考频：近五年出现3次
- n. (位置)下降; 下降运动 最常考
例句
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1·All the contributors were of African descent.所有捐助者都是非洲血统。来源: 《柯林斯英汉双解大词典》
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2·Britain has always been the principal source—ninety percent of Australians are of British descent, and Britain has provided one million migrants since the Second World War.英国一直是澳大利亚移民的主要来源国——90%的澳大利亚人是英国后裔，自二战以来，英国已经提供了100万移民。
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3·There is a gradual descent to the sea.有一片斜坡缓缓伸延到海边。来源: 《牛津词典》
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4·The plane began its descent to Heathrow.飞机开始向希思罗机场降落。来源: 《牛津词典》
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5·He traces his line of descent from the Stuart kings.他的家族可追溯到斯图亚特王朝。来源: 《牛津词典》
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6·She drove up a steep grade and then began the long descent into the desert.她驾车爬上一个陡坡，然后开始长长的下坡进入沙漠。来源: 《柯林斯英汉双解大词典》
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7·The apple is one kind of recommended fruit during Frost's Descent.霜降期间，苹果是一种值得推荐的水果。
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8·Frost's Descent, the 18th solar term of the year, is the last solar term of autumn, during which time the weather becomes much colder than before and frost begins to appear.霜降是一年中的第18个节气，是秋天的最后一个节气，在此期间，天气比之前变得更凉，开始出现霜降。
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9·One hundred years ago, "Colored" was the typical way of referring to Americans of African descent.一百年前，“有色人种”是指代非洲裔美国人的典型方式。
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10·What could have been considered the beginning of a descent is now a potential turning point—the turning point you are most equipped to take full advantage of.这曾被认为是衰落的开始，现在看来却是一个潜在的转折点——最能被充分利用的转折点。
网络释义
- gradient descent : 梯度下降
- descent method : n. 下降法
- chinese descent : 中国血统；炎黄子孙
- steepest descent method : 最速下降法；最陡下降法
同根词
词根：
descend
descendant
adj
下降的；祖传的
descending
adj
下降的；下行的
descendant
n
后裔；子孙
descending
n
递减；下行
descender
n
下降物；下降者；下行字母
descending
v
下降（descend的ing形式）
descend
vi
下降；下去；下来；遗传；屈尊
descend
vt
下去；沿…向下