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
Yes, I think that's what we stipulated.
对呀，我想那是我们所订定的。
The theory may hold water.
这理论可能行得通。
I think it's under the table.
我想可能在桌子底下。