n.對置活塞

The one-piece forged brake caliper body houses two opposed pistons, with a choice of high-power metallic pads or resin pads offering finer modulation. 整體鑄造的（一般是兩半分別加工，再用螺絲固定合體）雙活塞碟剎夾鉗，有兩款剎車片可以選擇：大功率的金屬剎片和手感較好的樹脂剎片。

All the apprentices rushed to help fit the piston. 徒工們都跑過來幫助裝活塞。

Get lathe No.9 set to turn the new piston. 把九號車床調(diào)好來車這個新活塞。

His plan was opposed with fierceness. 他的計劃遭到強烈的反對。

The populace at large are opposed to sudden change. 人民群眾普遍反對突然實行的變革。

They are opposed to the enclosure of common land. 他們反對把公地圈為私有。