Bil
基本脉冲电平（Basis Impulse Level）；基本绝缘电平（Basic Insulation Level ）
🗣️ 情景例句
Dad saved him, not me.
是爸爸救了他， 不是我。
As you all know, doing business is not an easy thing to do.
大家都知道，做生意并不是一件容易的事。
The Cutty Sark was one the fastest sailing ships that has ever been built.
“卡蒂萨克”号是帆船制造史上建造的最快的一艘帆船。