Giải nghĩa:
A kind of rock that can float on water, usually grey or white, formed when a volcanic eruption cools quickly.
Ví dụ:
Due to its lightness, pumice is often used in skincare products to scrub the skin.
pumice (noun)
/ˈpʌmɪs/
Giải nghĩa:
A tool made of pumice used for smoothing or polishing.
Ví dụ:
She pulled out a pumice stone from her bag to scrub her feet.
Cách sử dụng
Pumice is a type of rock that is light and porous, which means it has a lot of small holes in it. It's often used for cleaning, like on your feet or to clean your house. People also use it in gardening to help soil drain better, or in construction to make lightweight concrete.
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