because造句
I get very nervous
because I'm using a lot of expensive equipment.
因为正在使用很多昂贵的设备，所以我非常紧张。
The man was known to the police
because of previous convictions.
因为有犯罪前科，警察们都认识这个人。
I thought they were laughing at me
because I was ugly.
我觉得他们嘲笑我是因为我长得丑。