Pipeclay
（造烟管或皮革用的）白黏土, <喻>（军队对服装等的）严格要求
📖 牛津释义
pipeclay
n [U] fine white clay used (esp formerly) for making tobacco pipes and for whitening leather, etc 白陶土（尤於旧时用以制烟斗、 使皮革增白等）.
🗣️ 情景例句
He's so funny.
他喜欢开玩笑。
John always takes pleasure in leaving the city for a while.
约翰常常以溜出城镇一会儿为乐。
It was rather like an exhibition of prehistoric electronic equipment.
这儿倒像是在展览古老的电子设备。