chops up短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 na.切细;地层等突然露出;比喻割断历史等;同“chop” So if I'm trying to grow polymer chains, and for some reason a side reaction occurs that chops up my chains, or grows some rings instead, that's a bad reaction. 因此如果我要制造链状聚合物,而由于某些原因另一个反应就会发生即连转聚合物被切断或者取而代之的产生一些环状聚合物,这就是失败的反应。 dxy