1、Antibodies are proteins that stick onto a pathogen and gum up its works.
從化學成分上來講，抗體屬于一種蛋白質，它通過與病毒結合以阻斷病毒的感染能力。

2、The hitch is that syngas from waste is full of tarry residue that tends to gum up the turbine.
問題是垃圾里產生的裂解氣夾帶著焦油殘渣會堵塞渦輪設備。

3、That would add to the legal cost of transactions and further gum up a damaged channel of credit.
這將會增加交易的法律成本，此外還會把本已損壞的信貸通道弄得更糟。

gum up翻譯