Grammar explanation
[计] 语法解释
🧩 词语组成解析
🗣️ 情景例句
Television is the most powerful tool of persuasion that man has ever created.
电视是人类所创造的最有威力的游说工具。
This is my fourth year of college, I'm a senior.
这是我上大学的第四年，我是四年级学生。
The instrument was bought by my grandfather many years ago.
是我祖父在很多年以前买的。