valid
/ˈvælɪd/adjective
1- actually supporting the intended point or claim; acceptable as cogent确凿的, 令人信服的：
a valid criticism.
站得住脚的批评。
1.1
- legally binding due to having been executed in compliance with the law具有法律效力的, 有法律约束力的：
a valid contract.
具有法律效力的合同。
1.2
- legally acceptable合法有效的：
the visas are valid for thirty days.
签证30天内有效。
派生词
validity
nounvalidly
adverb词源
late 16th cent.: from French valide or Latin validus 'strong', from valere 'be strong'.