Level 6 · word 19,288 of 20,000

unsound

/ˌʌnˈsaʊnd/ American
  • adj. 不健全的, 不可靠的
Definition
  • adj. not safe, healthy, or reliable
Example
The old bridge was declared unsound and closed to traffic.
这座旧桥被认定为不安全,已禁止通行。