Sparkproof
a. 不发出闪光的,不发出火花的
🗣️ 情景例句
The instructions were not easily understandable.
这份说明书不容易理解。
Me too. I was hoping we could finish copying this report today.
我也希望如此，我本来希望今天我们能复印完这份报告。
I'm allowed to change the colour of my hair, she said angrily.
我改变自己的发色是允许的，"她愤怒地说。