Operational principle
[计] 工作原理, 操作原理
🧩 词语组成解析
🗣️ 情景例句
I've heard the weather here is ideal, just like spring most of year.
我听说这儿的天气很理想，四季如春。
Who wrote that composition?
那个作品是谁写的？
She's a new student. She's American.
她是个新来的同学，是个美国人。