Nonsparkability
无火花性
🗣️ 情景例句
Yes, it's so easy.
没错， 它真简便。
What is wrong?
有什么不对吗？
Yes, I remember. You were not here yesterday. What was wrong? Were you ill?
是的，我记得。你昨天没有来。怎么啦？你病了吗？