A hothouse is a type of greenhouse designed to maintain a warm environment for growing plants, particularly those that need higher temperatures, such as tropical plants. It is typically made of glass or clear plastic, allowing sunlight to enter while trapping heat inside. Hothouses are often heated using artificial methods, such as electric heaters or hot water pipes, to keep the temperature warm enough for plants that would not survive in cooler climates. They provide a controlled, warm environment, allowing plants to thrive year-round, even in colder weather.

英語での「hothouse」の定義と意味

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