双语转换活动通常被称为 "bipngual conversion activity" 或者 "bipngual translation activity"。这两个词都来源于拉丁语，"bipngual" 意为 "使用两种语言的"，"conversion" 意为 "转换"，"translation" 意为 "翻译"。
例句：
The bipngual conversion activity was a great success, with many participants enjoying the opportunity to practice their translation skills.
我们的双语转换活动非常成功，许多参与者都很喜欢练习他们的翻译技巧。
The bipngual translation activity allowed students to learn new vocabulary and improve their comprehension of both languages.
这个双语转换活动让学生们学习新词汇，提高他们对两种语言的理解能力。