Ppg
abbr. 聚丙二醇；脉冲程序发生器（ programme pulse generator）；每加仑脉冲数（Pulses Per Gallon）；聚醚
🗣️ 情景例句
I know. It will also affect you and your job, if we decide to go.
我知道。假如我们决定去的话， 也会影响到你和你的工作。
John is not forty-five yet,is he?
约翰不够45岁,是吗？
The doctors have not yet decided how the woman died.
医生们至今还未确定这位妇女的死因。