正式年级

formal garden───规则式庭园

formal mode───形式格式

formal grammar───形式语法

first grade───一年级；第一级；一等品

formal dress───n.礼服

formal grammars───形式语法

formal language───[计]形式语言

To write it as I wanted, however, would violate all the rules of formal composition Id learned in school, and Mr. Fleagle would surely give it a failing grade.───然而，照我希望的那样去写，就会违反我在学校里学的正式作文的种种法则，弗利格尔先生也肯定会打它一个不及格。

Starting formal schooling too early — being in first grade before age 6 — is a risk factor for earlier mortality.───过早接受正式教育(6岁以前上一年级)是提前死亡的危险因素。

The formal grade of Geologist was dropped in favour of Scientific Officer.