1.invalid是什么意思in,常見的表示反義的前綴,更多例子比如:indifferent, infinite, incapable, etc. valid,形容詞,有根據的、讓人信服的、有效的、有法律效力的
2.相關的單詞我們還背過validity.validinvalid,形容詞:沒有根據的、站不住腳的、無效的、不被認可的,invalid invalid還可作名詞,指需要他人照料的病人,尤其是指長時間需要他人照料的病人

3.An invalid學單詞,只記住意思可不行,會用才行,小伙伴們可以在評論區造句,我們一起學習哦!我先來:造句:The invalid is on the bed.Invalid的英文解釋: An invalid document, ticket, law, etc. is not legally or officially acceptable.An invalid opinion, argument, etc. is not correct, usually because it is not logical or not based on correct information.someone who is sick and unable to take care of himself or herself, especially for a long time
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