Vaughn
n. 沃恩（姓氏）
🗣️ 情景例句
and a pitcher of lemonade.
和一壶柠檬汁。
Good night, Jan.
晚安，简。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，