first-grade

基本解释

• adj. 一級；甲級

同根派生

• first-grade相关词

英汉例句

雙語例句

• Such protection zones shall be divided into first-grade protection zones and protection zones of other grades.
  生活飲用水地表水源保護區分爲一級保護區和其他等級保護區。
• Certain water areas and land-based areas beyond the first-grade protection zones may be delineated as protection zones of other grades.
  在生活飲用水地表水源一級保護區外，可以劃定一定的水域和陸域爲其他等級保護區。
• A first-grade teacher was having trouble with one of her students.
  一年級女教師跟她的一個學生較上了勁。

權威例句

• Now, seven months later, Taylor is beginning to read and does first-grade math.
  NPR: Students Blossom in the Desert

• first-grade更多例句

词组短语

短語

• first -grade structure 一級建築物
• First -Grade Lawyer 一級律師

• first-grade更多词组

专业释义

經濟學

• 甲級