Bil
基本脉冲电平（Basis Impulse Level）；基本绝缘电平（Basic Insulation Level ）
🗣️ 情景例句
He will not see me stopping here
他不会看到我驻足此地
I'm sorry, but I can't find the book you lent me.
很抱歉！我找不到你借给我的那本书了。
He ate simply, and never ate meat. He rose early in the morning and worked at his wheel, making cotton thread.
他吃得很简单，且从不吃肉。他每天早晨早早就起床，转动纺车，纺棉纱。