Saptial rotation
[化] 空间转动
🧩 词语组成解析
🗣️ 情景例句
Morning, Philip.
早安， Philip。
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
Mary and lizzy are organizing a large medical conference.
玛丽和莉齐正在组织一个大型的医学会议。