In Helen's first experience with the ocean, she was caught by a wave and pulled under the water.

VOA: special.2009.11.08

And Celsius first used the boiling point of water, and called that 100 degrees Celsius, and the freezing point of water and called that zero degrees Celsius.

定义一些参考点，例如摄氏温标定义水的沸点，是100摄氏度,冰点是0摄氏度。

麻省理工公开课 - 热力学与动力学课程节选

Following the odor received by the first nostril guided the sharks into smelly areas in the water.

VOA: special.2010.08.03

For its first trip, the submarine sailed under water from New London,Connecticut to San Juan,Puerto Rico.

VOA: special.2010.06.11

Water regularly during the first month. After that, parsley does not need very much water.

VOA: special.2009.06.02

After their first tests, the researchers cleaned the water system with chlorine dioxide.

VOA: special.2011.04.06

First a gold miner put dirt in a metal pan and added water.

VOA: special.2010.04.25

First,there was the American space agency's discovery of water on the moon.

VOA: special.2009.12.30

Malaria,diarrhea,and typhoid- water-related diseases that are not fatal in First World countries- cause half of the child deaths in Yemen.

VOA: standard.2010.04.01

And many say the beleaguered nation is soon to have the first capital city without any clean drinking water.

VOA: standard.2010.04.01

The new first pet,a Portuguese water dog, is expected to make his public debut on Tuesday.

VOA: standard.2009.04.13

But water is the first priority for the Carter Road plaintiffs.

VOA: standard.2010.01.02