在明信片上英语短语怎么说

在明信片上写英文短语通常可以用 "write a phrase on a postcard" 来表达。例如：

"I want to write a phrase on a postcard to send to my friend."

其中，"phrase" 指的是短语或英文句子。在这个例子中，你想在明信片上写一个短语并送给你的朋友。

你也可以用其他表达来描述在明信片上写英文短语，例如：

"I'm going to put a message in Engpsh on a postcard."
"I need to write a few words in Engpsh on a postcard to send to my family."
"I want to send a postcard to my girlfriend with a cute phrase written on it."

希望这些信息对你有帮助！