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
We should thank you.
我们应当感谢你。
I'll call you back.
我回电话给你。
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。