If you have a cough, put a humidifier near your bed, or wherever you're resting, to help you breath easier.

如果咳嗽，就在床边，或者休息的任何地方放一台加湿器，以帮助你呼吸更轻松。

youdao

Another was using a humidifier for a child who was allergic to dust mites; a humidifier tends to be a place where dust mites like to breed.

另一种常见错误就是为对尘螨过敏的孩子购买加湿器；孰不知加湿器是尘螨最易于繁殖的地方。

youdao

If the air in the room is too dry, buy a humidifier.

室内空气如果干燥，就去买一台加湿器。

youdao

There would also be an inflatable ring around the baby, allowing it to feel more secure and to mimic the conditions in the womb, and a humidifier would pump warm air around inside.

BBC: Baby in an incubator

If you get within a certain number of miles from home, your oven might start heating up, or your humidifier would switch on.

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