The ship was moored broadside to the pier.这艘船横泊在码头旁。We stood on the pier and watched as they embarked.我们站在突码头上目送他们登船。The motorboat put on speed as soon as it left the pier.汽船一离开码头就加快了速度....

pierce的第三人称单数（三单）为：pierces...

copier的复数形式为：copiers...