Sparkproof
a. 不发出闪光的,不发出火花的
🗣️ 情景例句
Come in, come in. Please, come in.
请进， 请进。请进来。
Car manufacturers must be very uneasy now.
现在汽车制造厂商们无疑都非常不安。
How was your date?
你的约会怎么样？