These plants need heat and humidity to grow well.

这些植物在高温潮湿的环境中才能生长得旺盛。

《牛津词典》

The heat and humidity were insufferable.

炎热与潮湿令人难以忍受。

《柯林斯英汉双解大词典》

As an asthmatic, he cannot cope with the heat and humidity.

身为气喘病患者，他受不了炎热与潮湿。

《柯林斯英汉双解大词典》

The causes of heat stress include wearing heavy clothing, physical work or exercise, hot weather and high humidity.

VOA: special.2011.08.09

Organizers fear the Washington heat and humidity could cause heat exhaustion among the elderly.

CNN: Security at record high for WWII Memorial ceremony

Although improper storage such as using plastic bags rather than paper or exposing the evidence to too much humidity or heat can degrade DNA, Hagan says that current technology can even recover complete profiles from poorly stored evidence, the kind usually available in very old cases.

CNN: Solving the cold case: Time, DNA and ingenuity can help

Health Ministry advised that the full marathon be called off because of heat and humidity.

FORBES: Was The Tel Aviv Marathon Really Too Hot To Handle?