unpolluted
🇺🇸
/ˌʌnpəˈluːtɪd/
🇬🇧
/ˌʌnpəˈluːtɪd/
not contaminated by harmful substances
The otters thrive in unpolluted waters, where they can find plenty of fish to eat.
水獺在未受污染的水域中繁衍生息,那裡它們可以找到大量的魚類食物。