underused
🇺🇸
/ˌʌndərˈjuːzd/
🇬🇧
/ˌʌndəˈjuːzd/
Something that is not used as much as it should be.
The local swimming pool is underused, and it's a shame because it's a great facility.
当地的游泳池使用不足,这很可惜,因为它是一个很棒的设施。