silage

n [U] green fodder stored without drying, esp in a silo, to feed cattle in winter 青贮饲料（尤指贮藏在青贮塔内以备冬季饲牛的）.

sign language, sign on, signal, signal-box, signaller (US signaler), signally, signalman, signatory, signature, signature tune (also theme tune), signet, signet ring, significance, significant, significantly, signification, signify, signor, signpost, Sikh, silence, silencer, silent, silent film, silently, silhouette, silica, silicate, silicon, silicon chip, silicone, silicosis, silk, silk-screen printing, silken, silkiness, silkworm, silky, sill, sillabub,