清洁 + 的 + Noun / 清洁 + 能源
The adjective 清洁 (qīngjié) means 'clean' or 'hygienic.' It is more formal than 干净 and is commonly used in contexts involving sanitation, energy, or the environment. The compound 清洁能源 (clean energy) is a frequent collocation in discussions about sustainability.
这家餐厅的厨房非常清洁,让人很放心。
zhè jiā cāntīng de chúfáng fēicháng qīngjié, ràng rén hěn fàngxīn.
This restaurant's kitchen is very clean, which puts people at ease.
政府正在大力推广清洁能源的使用。
zhèngfǔ zhèngzài dàlì tuīguǎng qīngjié néngyuán de shǐyòng.
The government is vigorously promoting the use of clean energy.
请保持公共卫生间的清洁,谢谢配合。
qǐng bǎochí gōnggòng wèishēngjiān de qīngjié, xièxie pèihé.
Please keep the public restroom clean; thank you for your cooperation.