COVER WITH WATER 被水淹, [I,T] to cover a place with water, or to become covered with water

（被）淹没:

Towns and cities all over the country have been flooded.

全国各地的城镇都被淹没了。

The houses down by the river flood quite regularly.

沿河的房屋常遭水淹。

RIVER 河流, [I,T] if a river floods, it is too full, and spreads water over the land around it

（使）泛滥:

There are now fears that the river could flood.

现在人们担心河水会泛滥。

GO / ARRIVE IN LARGE NUMBERS 大量地去/到达, [I always + adv / prep] to arrive or go somewhere in large numbers

〔大量地〕涌到，涌去;

Refugees are still flooding across the border.

仍有大批的难民涌过边界。

Donations have been flooding in since we launched the appeal.

我们发出呼吁后，捐款潮涌而至。

flood sth with sth, to send a very large number of things to a place or organization

将某物大量送至某地（某机构）:

a plan to flood the country with forged banknotes

将大量假钞运送到该国的计划

be flooded with sth, to receive so many letters, complaints, or inquiries that you cannot deal with them all easily

大量收到某物:

We've been flooded with offers of help.

人们纷纷表示愿意为我们提供帮助。

flood the market, to produce and sell a very large number of one type of thing, so that the price goes down

〔用某物〕充斥市场〔以造成价格下跌〕:

Car manufacturers have been accused of flooding the market with cheap cars.

汽车制造商被指责以廉价汽车充斥市场。

LIGHT 光线, [I,T] if light floods a place or floods into it, it makes it very light and bright

照亮，（使）明亮:

Light flooded into the kitchen.

灯光照进了厨房。

The morning sun flooded the room with a gentle light.

早晨的太阳把柔和的光洒进了房间。

FEELING 感觉, [I always + adv / prep,T] if a feeling or memory floods over you or floods back, you feel or remember it very strongly

〔感觉或回忆〕涌上心头:

I felt happiness and relief flooding over me.

我感到幸福和宽慰包围了我。

Memories of my time in Paris flooded back.

我在巴黎生活的记忆又涌了回来。

ENGINE 发动机, [I,T] if an engine floods or if you flood it, it has too much petrol in it, so that it will not start

（使）〔汽油〕满溢

[C,U] a very large amount of water that covers an area that is usually dry

洪水; 水灾:

The village was cut off by floods.

那个村子因洪水与外界中断了联系。

the worst floods for over fifty years

五十多年来最严重的水灾

[C] a very large number of things or people that arrive at the same time

大量:

The UN appealed for help with the flood of refugees crossing the border.

大量难民涌过边界，联合国呼吁援助。

in floods of tears, crying a lot

泪如雨下:

She came downstairs in floods of tears.

她泪流满面地走下楼来。

in flood, a river that is in flood has much more water in it than usual

〔河水〕上涨，泛滥