Basic grade
[经] 基本等级, 基本品级
🧩 词语组成解析
basic
['besɪk]
adj. 基本的;[化学]碱性的;[地质学]基性的;首要的;
n. 基础，基本;基本原则，基本原理，基本规律;要素;基础训练;
bas=basis基础+ic形容词，...的 →基本的
🗣️ 情景例句
Oh, really?
噢，真的？
While you were writing letters,I was reading a book.
当你正在写信时，我正在读一本书。
One day, he walked into an expensive shop after having been caught in a particularly heavy shower.
一天，他遇上一场瓢泼大雨，淋得透湿。