Bil
基本脉冲电平（Basis Impulse Level）；基本绝缘电平（Basic Insulation Level ）
🗣️ 情景例句
Don't mention it. What would you like to drink?
别客气，想喝点什么？
Thank you for your letter.
谢谢你的来信。
He dreamed of traveling to remote South Sea Islands.
他曾梦想到遥远的南海诸岛去旅游。