点击下方单词,选择对的这个单词
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1. (计划、机器等)十分简单的，容易操作的，万无一失的Something such as a plan or a machine that is foolproof is so well designed, easy to understand, or easy to use that it cannot go wrong or be used wrongly.
1. proof against human misuse or error
e.g. foolproof this appliance
Synonym: goofproofgoof-proof
多通过句子记忆单词，而不是单独死记硬背。
