英语词汇“tighten up (on sth)”的读音、翻译、释义、用法及例句-范文大全网

词汇	tighten up (on sth)
释义	tighten sth (up) \| tighten up (on sth) to become more strict or to cause something to become more strict使变得更加严格◆to tighten up the law on the sale of alcohol to minors收紧向未成年人售酒的有关法律
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