转换点

例句：

1. 1. The conversion point between two currencies is the rate at which one currency can be exchanged for another.
   两种货币之间的转换点是可以将一种货币兑换成另一种货币的比率。
2. 2. The conversion point between two languages is the level of difficulty in understanding and using one language to communicate withanother.
   两种语言之间的转换点是理解并使用一种语言与另一种语言进行交流的难度水平。
3. 3. The conversion point between two systems is the point at which the two systems become equivalent.
   两种系统之间的转换点是两种系统变得等价的点。