ifu是什么意思

English

Noun

百度 据美国《星条旗报》网站3月8日报道称，数十年来，她的失踪一直成谜。

signal post (plural signal posts)

1. (rail transport) A post on which one or more railway signals are mounted.
   • 2023 August 9, Mel Holley, “Network News: Scotland's ￡4.2bn plan to ensure network stability”, in RAIL, number 989, page 24:

     Also suffering from age is the structural integrity of signal posts, with targeted renewals planned for CP7.

Alternative forms

• signalpost

References

• “signal post”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.