He introduced it to his brother last year.
去年他把它介绍给了他哥哥。
I immediately fell in love with English when my teacher first introduced it to me.
在老师的介绍下我初次接触英语，自那时起我就爱上了英语。
My daughter, who is a fan of this series, introduced it to me.
我的女儿是这部剧的剧迷，并强烈推荐让我也看这部剧。
A fire alarm automatic system was introduced, it was developed with smoke sensor and telephone.
介绍一种火灾自动报警系统。该系统应用了离子感烟传感器和电话。
A fire alarm automatic system was introduced, it was developed with smoke sensor and telephone.
介绍一种火灾自动报警系统。该系统应用了离子感烟传感器和电话。
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