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
How does she get by on such a small salary?
她靠那么一点薪水怎么过生活？
Good counsel never comes amiss.
忠言有利无害。
How old are you?
你多大了？