单词	signal box
释义	signal box noun British : signal tower Word History First Known Use 1822, in the meaning defined above
随便看	pyretics pyreto- pyretogenic pyretogenous Pyrex pyrexes pyrexia pyrexial pyrexias pyrexic pyrexin pyrgeometer pyrgocephalic pyrgocephaly Pyrgus pyrheliometer pyrheliometers pyrheliometric pyrheliometry pyri pyribole pyric pyrid- pyridazine pyridine

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