English Dictionary

letter grade

名詞

(education) A letter of the alphabet assigned as an evaluation of schoolwork, with A generally being the best. Passing grades may also carry a plus or minus sign, with an A-minus (A-) better than B-plus (B+) and so on.

日本語の意味

学校の成績を表すために使われるアルファベット評価（例：A, B, Cなど）。通常、Aが最も優れており、プラスやマイナスの記号（A-、B+など）が付される場合もある。

Her final paper earned a higher letter grade than she expected after revising the introduction.

彼女の最終レポートは、序章を修正したことで予想よりも高い評定（A、B、Cなど）を受けた。

意味（1）

(education) A letter of the alphabet assigned as an evaluation of schoolwork, with A generally being the best. Passing grades may also carry a plus or minus sign, with an A-minus (A-) better than B-plus (B+) and so on.

Do you give letter grades for class participation, or just for homework and exams?

letter grades （ plural ）