It is said that once the Jade Emperor ordered the four Sea Dragon Kings not to rain on the earth in three years' time.

说是有一年，玉帝传谕四海龙王，三年内不得向人间降雨。

youdao

He was an old man who fished alone in a small boat on the sea and he had gone eighty-four days now without taking a fish.

他是一个老人，独自在海上的一条小船上钓鱼。至今出海84天了，他一条鱼也没钓到。

youdao

The hypothesis is not undermined by observations that sea levels are falling relative to the Scandinavian coast by four millimeters a year.

尽管海平面被观测到相对斯堪的纳维亚海岸每年下降4毫米，这一假设并没有受到破坏。

youdao

It ends at the Dead Sea, the lowest point on Earth, four hundred meters below the level of the Mediterranean Sea.

VOA: special.2009.05.18

In warmer climates, snow is known to fall in areas over four thousand nine hundred meters above sea level.

VOA: special.2010.01.05

They continued to work as a team until they left the sea in eighteen sixty-four.

VOA: special.2009.12.23

The 28-year-old prince is initially spending his time at Valley as a co-pilot in a crew of four Sea King Helicopters.

BBC: Carwyn Jones congratulates Prince William and Kate

In addition, four Marine Sea Knight helicopters flew out of a U.S. Navy base in Atsugi near Tokyo with 18 pallets of clothing and two pallets of food to Yamada Radar Site, north of Sendai.

WSJ: Aid Effort in Japan

The boat has acquired a lot of character from its four decades at sea, and it always smells of fresh bread.

WSJ: Heli-Skiing in Greenland