Sparkproof
a. 不发出闪光的,不发出火花的
🗣️ 情景例句
Mose people would like to work in the west, mainly because wages are comparatively high.
许多人喜欢在西方工作，主要是因为那边工资相对高些。
Never say of another what you would not have him hear.
莫说不想让人听见的话。
Could you please explain the premises of your argument in more detail?
你能详细说明你们的论据吗？