adj. 有效的;有法律效力的;正当的;健全的;
💡 val(strong)+id(形容词后缀)→有效的;正确的;健康的
"a bus pass valid for 1 month"
公共汽车月票
近义:legal, authentic, sound, worthwhile
反义:invalid, nil, nugatory, null, destitute, devoid
n. 许可证,执照;特许;
vt. 同意;发许可证;
💡 licen=allow允许+se表名词 → 批准,许可
"The foreign guest has a license on the person."
这个外国客人随身携带执照.
近义:legalize, authorize, permit, qualify, licence, certify
反义:interdiction, ban, banning, silencing, censoriousness, censorship