单词 invalid 释义 ▪ I. invalid, a.1|nvld|Also 7 -ide.[ad. L. invalid-us not strong, infirm, weak, inadequate; f. in- (in-3) + validus strong.]Not valid.†1. Of no power or strength; weak, feeble. Obs.1635J. Gore Well-doing Ded. 1 The beames of the Moone...
单词 invalid 释义 invalid adj 1 not properly based or able to be upheld by reasoning 无适当根据的; 无道理的; 站不住脚的 an invalid argument, assumption, claim, etc 站不住脚的论据、 没有根据的假定、 没有道理的要求. 2 not usable; not officially acceptable...