| 单词 | invalid |
| 释义 | invalid /in5vAlid/ a. 1.(指法律上)无效的, 作废的2.无可靠根据的, 站不住脚的 n. (需要有人照顾的)病弱者, 残疾者 【同】disabled; patient; wrong 【例】The contract was declared invalid. 合同被宣布无效。He never fully recovered, and had to spend the rest of his life as an invalid. 他没能完全康复，于是不得不成了一名残疾者度过余生。The girl spent all her spare time to take after her invalid mother. 这个女孩把她所有的业余时间都用来照顾长期生病的母亲。This ticket has passed its expiration date, and so it is now invalid. 这张票已过了有效期，现在作废了。" |
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