downfall
B2
大学
FREQ #15378
★☆☆☆☆
n. 衰败, 大雨
发音
其它
/ˈdaʊnfɔːl/
其它
/daʊnˈfɔːl/
词形变化
downfalls
复数
downfalls
downfallen
downfalls
三单
downfell
downfalling
现在分词
downfell
过去式
downfallen
过去式
downfallen
过去分词
别名
downefall
downfal
教材释义与例句
名词
垮台；衰败；落下；大雨
释义与例句
n.
B2
-
1.
A precipitous decline in fortune; death or rapid deterioration, as in status or wealth.
倒台
可数 不可数Many economic and political reasons led to the downfall of the Roman Empire.
-
2.
The cause of such a fall; a critical blow or error.
可数 不可数Orson Scott Card It is the downfall of evil, that it never sees far enough ahead.
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3.
An act of falling down.
可数 不可数a downfall of rain
v.
-
1.
To fall down; deteriorate; decline.
不及物It should be noted that the magnitude of satellites decreases when tuning out of degeneracy, and in the wavelength range of 1.2-1.3 pm it downfalls to the value of 10-15% of the main spike magnitude.
词汇关系
同义词 4
上位词 4
下位词 9
部分词 3
相关短语
词源
From down- + fall. In this spelling, from 16th century; spelled as two words from 13th century.
来源：wiktionary