Old English nigontig, from nine + -tig "group of ten" (see -ty (1)). Cognate with Old Frisian niontich, Middle Dutch negentich, Dutch negentig, German neunzig.
实用例句
1. Almost ninety per cent of all rapes and violent assaults went unreported.
几乎90%的强奸案和暴力侵害案都没有报案。
来自柯林斯例句
2. Ninety per cent of lone parent families are headed by mothers.
90%的单亲家庭由母亲持家。
来自柯林斯例句
3. Ninety-nine per cent of primary pupils now have hands-on experience of computers.
现在，99%的小学生都亲手操作过电脑。
来自柯林斯例句
4. Secret investigations have netted ninety staff suspected of fraud and theft.
秘密调查已抓获90名涉嫌欺诈盗窃的职员。
来自柯林斯例句
5. President Cristiani expected the case to come to court within ninety days.
