One of the first, invented in the fifteenth century, was a hygrometer, which measured humidity.

最早的其中之一是在15世纪被发明出来的湿度计，用来测试湿度。

This aims to boost the fertility of soil and keep it moist through established practices.

这种方法目的在于通过既有的惯常做法，增加土壤的肥力，保持土壤湿度。

When the weather is hot, the humidity is low and there's been little recent rain, vegetation dries out and becomes more flammable.

天气炎热，湿度低，近日无雨，会使得植被枯萎，而且易燃。

Customers strip off in the entrance hall, before beginning the ritual of steam, scrub and oil massage, progressing through three marble chambers of gradually increasing humidity.

顾客在入口大厅脱去衣物，然后开汗蒸、擦洗和精油按摩，完成这一过程会穿过三个湿度逐渐增加的大理石房间。

An animation shows how the vegetation has been changing over the last few years, and fluctuations in rainfall and humidity.

动画显示植被在过去几年里的变化，以及降雨量和湿度的波动。

Don't ever wash them until you're ready to cook, because humidity can ruin them.

在你准备做饭之前不要清洗蘑，湿度会破坏它的新鲜度。

These conditions includes humidity, temperature, wind speeds and so on.

这些条件包括湿度、温度、风速等等。

The humidity is low and the Santa Ana winds, hot dry guts that blow in from the desert this time of year, help fires spread by pushing them along.

湿度很低，加上圣塔安娜风，每年这个时候，从沙漠吹来的干燥摧毁的中心地带，推动火势蔓延。

Highs could hit 90 degrees Fahrenheit in some parts of the region, but the National Weather Service says it will feel like more than 100 once you factor in the humidity and many don't have air conditioning.

一些地区的最高温度可能达到华氏90度，但国家气象局表示，如果考虑到湿度，许多地方没有空调，感觉会超过100华氏度。

D, the National Archives building in Washington D.C. To preserve the quality of the document, it is kept at 67 degrees Fahrenheit and 40 percent humidity, and you can say that fascinating fact constitutes our Constitution Day quiz.

答案是D，华盛顿的国家档案馆。保护这份文献的质量，它被保存在67华氏度、40%湿度的恒温恒湿环境中，这就是今天组成宪法日测试的有趣知识。

Actual air temperature is combined with relative humidity to measure what?

实际的空气温度和相对湿度结合起来测量什么？

You wanna make sure that you're keeping humidity low.

你要确保保持低湿度。

Each flake encounters an ever so slightly different temperature and humidity level on its journey to your yard, and that is what gives them character.

每片雪花在飘落到你的院子的过程中，温度和湿度都略有不同，这就是什么它们各有特色。

Inside, the heat and humidity replicate a tropical jungle.

而在其里面，热度和湿度是仿照热带丛林的热度和湿度。

Four million acres have burned there in 2020 and the forecast for northern California says low humidity and high winds will make conditions more dangerous through Friday.

2020年有400万英亩的土地被烧毁，并且根据北加州的天气预报，低湿度和强风将导致周五的天气情况堪忧。

Temperatures of forty five, forty degrees Celsius every day and ninety per cent humidity.

基本上每天的温度都在45或40摄氏度，湿度是90%。

These trees help maintain the ideal humidity and air quality levels for engine constructions.

树木有助于维持打造引擎所需的适当湿度与空气品质。

In that time, the sort of, temperature and humidity's really important.

在这段时间里，温度和湿度非常重要。

The weather is pleasant and not too humid.

这时天气宜人，湿度不高。

And the sensor is picking up humidity, air temperature, pressure, wind direction, and wind speed.

传感器正在采集湿度、气温、气压、风向和风速。