Foundational
a. 基础的, 基本的
✅ 同义词
🗣️ 情景例句
Do you have anything to declare for customs?
有什么要申报呀？
Don't forget to print airmail on the letter.
不要忘记在信封上印上航空邮件
Linda speaks as if she were a boss.
琳达说话总好象她是老板。