相关单词近义词 singlet 汗衫, vest 背心临近词under-, under, underslung suspension, under source of water, undergrolmd reservoir, underdeveloped region, underserrated section, underwriting decision, under operating ratio, under upon compulsion, undersupplied product, underwriting contract相似词underscore, undersea, undersecretary, undersell, underside, undersized, understaffed, understand, 返回 undershirt