今日单词 |
aviation |
n. 航空; 飞行术，航空学; 飞机制造业; |
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形近词
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deviation |
n. 背离，偏离; 离经叛道的行为; [航]偏航; [数]绝对偏差; |
variation |
n. 变化，变动; 变异，演变; 变奏曲; 变量; |
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radiation |
n. 辐射; 放射物; 辐射状; 分散; |
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navigation |
n. 航行（学）; 航海（术）; 海上交通; |
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agitation |
n. 焦虑不安;烦乱; 煽动，鼓动; 搅动 |
aviation
英[ˌeɪviˈeɪʃn] 美 [ˌeviˈeʃən,ˌævi-]
CET4 | CET6 | 考研 | IELTS | TOEFL
n. 航空; 飞行术，航空学; 飞机制造业; [集合词]飞机;
词根:avi鸟+ation表示行为、状态→像鸟一样在空中→aviation
① (N-UNCOUNT) 航空；飞机制造业
Aviation is the operation and production of aircraft.
形近词：
1、 deviation
英 [ˌdi:viˈeɪʃn] 美[ˌdiviˈeʃən]
CET6 | IELTS | GRE
n. 背离，偏离;离经叛道的行为; [航]偏航; [数]绝对偏差;
词根:de偏离+vi道路+ation表名词→背离
① (N-VAR) 偏常;反常;离经叛道
Deviation means doing something that is different from what people consider to be normal or acceptable.
● Deviation from the normis not tolerated.
不能容忍离经叛道行为。
② (N-VAR) (统计学中的)离差，偏差
In statistics,deviation is the difference between the value of one number in a series of numbers and the average value of all the numbers in the series.
● A 10 to 15 percentdeviation is considered acceptable.
10%至15% 的离差是可以接受的。
2、variation
英 [ˌveəriˈeɪʃn] 美[ˌveriˈeɪʃn]
CET4 | CET6 | 考研 | IELTS | TOEFL
n. 变化，变动;变异，演变; 变奏曲; 变量;
词根:vari变化+ation名词后缀→variation变化，变动，变更
① (N-COUNT) （同一事物略微的）变化形式
A variation on something is the same thing presented in a slightly different form.
● This deliciousvariation on an omelette is quick and easy to prepare...
这种稍加变化的可口煎蛋卷做起来又快又容易。
② (N-VAR) （等级或数量的）变化，变动，变更
A variation is a changeor slight difference in a level, amount, or quantity.
● The survey found a wide variation in the prices charged for canteen food...
调查发现食堂饭菜的价格相差很大。
3、radiation
英 [ˌreɪdiˈeɪʃn] 美[ˌrediˈeʃən]
CET4 | CET6 | TOEFL
n. 辐射;放射物; 辐射状; 分散;
词根:radi辐射+ation表示行为、状态、过程、结果→radiation辐射能
① (N-UNCOUNT) 辐射物；放射物
Radiation consists of very small particles of a radioactive substance. Large amounts of radiation can cause illness and death.
● They suffer from health problems and fear the long term effects of radiation...
他们遭受着健康问题的困扰并且害怕辐射的长期影响。
② (N-UNCOUNT) 辐射能;放射能;（尤指）热能
Radiation is energy,especially heat, that comes from a particular source.
● The satellite will study energy radiation from stars.
这颗人造卫星将用来研究恒星的能量辐射。
4、navigation
英 [ˌnævɪˈgeɪʃn] 美[ˌnævɪˈɡeʃən]
CET4 | CET6 | 考研 | IELTS | TOEFL
n. 航行（学）;航海（术）; 海上交通;
词根:nav船+ig走+ation表名词→navigation航行；航海术；导航
① (N-UNCOUNT) 航行;航海
You can refer to the movement of ships as navigation .
● Pack ice around Icelandwas becoming a threat to navigation.
冰岛周围的浮冰群曾一度对船只航行构成威胁。
5、agitation
英 [ˌædʒɪˈteɪʃn] 美[ˌædʒɪˈteʃən]
CET6 | IELTS | TOEFL
n. 焦虑不安;烦乱; 煽动，鼓动; 搅动;
① (N-UNCOUNT) 焦虑;烦恼;不安
If someone is in a state ofagitation, they are very worried or upset, and show this in their behaviour,movements, or voice.
● Danny returned toFather's house in a state of intense agitation...
丹尼回到神父的房子时显得极为焦虑不安。
正能量语录：
记住，你现在要做的是，多读书，按时睡，然后变得温柔，大度，开心继续善良，保持可爱。