词汇	were of great moment
释义	were of great moment n.重要,意义重大
随便看	underground facilities Underground Facilities Protective Organization underground facility arrangement underground facility map underground factory underground farm underground feeder underground finance underground finance business underground fire underground fire accident underground fire pump adapter underground fires underground fire zone underground flexible drainpipe underground flexible duct displacement underground flooding underground flow underground fluid Underground fluid anomaly underground fluid behavior underground fluid observation Underground fluids underground folding underground formation