短语词组短语collecting pail 收集桶dinner pail 饭盒;餐盒plate pail 餐具筐pail pistonpump 盘状活塞泵clareshell pail 蛤壳式抓斗Pail spooler 落桶式Galvanized pail 镀锌桶sand pail 沙桶iron pail 铁桶a pail of water 一桶水 返回 pail