Sparkproof
a. 不发出闪光的,不发出火花的
🗣️ 情景例句
Uh-oh.
啊哈。
We have known each other for 6 years.
我们认识有六年了。
Our environment is chiefly conditoned by the things we believe.
我们的环境由我们信仰的东西所决定。