Perlition
表面渗碳用液体渗碳剂
🗣️ 情景例句
Good-bye.
再见。
After dinner comes the reckoning.
吃喝玩乐，该付代价。
Well, we listened to lectures about pollution, agriculture, nuclear waste, radiation and so on.
噢，我们听取有关污染、农业、核废料、辐射等讲座。