signaller (US signaler)

n person who signals, esp a soldier specially trained for this purpose 信号员; （尤指）信号兵.

sieve, sift, sifter, sigh, sight, sight-read, sight-reading, sight-screen (also screen), sighted, sighting, sightless, sights, sightseeing, sightseer, sign, sign in, sign language, sign on, signal, signal-box, signally, signalman, signatory, signature, signature tune (also theme tune), signet, signet ring, significance, significant, significantly, signification, signify, signor, signpost, Sikh, silage, silence, silencer, silent, silent film,