名詞 rain:

1. water falling in drops from vapor condensed in the atmosphere
   同義詞：rainfall
2. drops of fresh water that fall as precipitation from clouds
   同義詞：rainwater
3. anything happening rapidly or in quick successive
   同義詞：pelting

動詞 rain:

1. precipitate as rain
   同義詞：rain down

1. Tears rained down her cheeks.
   眼淚從她的面頰上如雨點般落下。
2. Invitations rained down on the visiting writer.
   來訪的這位作家收到了許多邀請信。
3. The match was rained off twice.
   比賽因雨而被迫兩次改期。
4. The suitcase burst open and its contents rained on the floor.
   手提箱裂開了，里面的東西紛紛落在地板上。
5. The fete will take place on Sunday, rain or shine.
   游園義賣會定於星期日舉行，風(fēng)雨無阻。
6. It's raining hard.
   雨下得很大。
7. The crops need rain.
   農(nóng)作物需要雨水。

rain

n.（名詞）

Water condensed from atmospheric vapor and falling in drops.
雨：從水蒸氣凝結(jié)并成滴降落下的水
A fall of such water; a rainstorm.
驟雨：這種水的下降；暴雨
The descent of such water.
下雨：這種水的降落
Rainy weather.
雨天：有雨的天氣
rains A rainy season.
rains 雨季：有雨的季節(jié)
A heavy or abundant fall:
落下：很大的或豐富的下降：
例句：
a rain of fluffy cottonwood seeds; a rain of insults.
如雨般落下的白楊子；一陣侮辱

v.（動詞）
rained,rain.ing,rains
v.intr.（不及物動詞）
To fall in drops of water from the clouds.
下雨：從云中以水滴形式下降
To fall like rain:
雨點般地落下：象雨一樣下降：
例句：
Praise rained down on the composer.
對那位作曲家的佳評如潮

To release rain.
使降雨
v.tr.（及物動詞）
To send or pour down.
落下：放出或瀉下傾瀉而下
To give abundantly; shower:
傾盆而下：大量地給予；傾注：
例句：
rain gifts; rain curses upon their heads.
禮品大贈送；把他們罵得狗血噴頭

<常用詞組>rain out
To force the cancellation or postponement of (an outdoor event) because of rain.
延期，取消：由于雨而被迫取消或推遲（戶外活動）
<習(xí)慣用語>rain cats and dogs【非正式用語】
To rain very heavily.
下傾盆大雨：猛烈地下雨
來源：
Middle English
中古英語
from Old English rôn, regn
源自 古英語 rôn, regn

【引伸】
rain.less
adj.（形容詞）