Bil
基本脉冲电平（Basis Impulse Level）；基本绝缘电平（Basic Insulation Level ）
🗣️ 情景例句
You'd better not make Harry any more nervous than he is.
你最好别让Harry更加紧张了。
I don't know, sir, but I guess the computer made some mistake.
不知道呀，好像是电脑出了故障了。
I fell in love with her at first sight.
我第一眼见到她就爱上了她。