Insul
abbr. insulation 绝缘
🗣️ 情景例句
May I ask who's calling?
请问你是谁？
And trade terminology in English is helpful in actual business negotiations.
对于实际的商务谈判是非常有用的。
I'm hungry. I haven't eaten anything since yesterday.
我很饿了，昨天到现在都没吃过东西。