| 单词 | scum-trough |
| 释义 | > as lemmasscum-trough scum-trough n. a trough in a steam-boiler provided for the reception of scum. ΚΠ 1888 Lockwood's Dict. Mech. Engin. Scum Trough, or Scale Pan, or Sediment Collector, a shallow trough provided in large marine and stationary boilers, for the collection of the fine sediment which is ballooned to the surface by the ebullition of the bubbles of steam. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。