Reactionogen
反应原
🗣️ 情景例句
It's a deal!
就这么约定！
This is my first year of college, I'm a freshman.
这是我上大学的第一年，我是一年级学生。
Last week, my four-year-old daughter, Sally, was invited to a children's party.
上周，我4岁的女儿萨莉被邀请去参加一个儿童聚会。