n.（花草的）茎；词干；（高脚酒杯的）脚；烟斗柄vt.遏制[阻止]（液体的流动等）；阻止；封堵；遏止 变形： 复数：stems过去式：stemmed过去分词：stemmed现在分词：stemming第三人称单数：stems 双语释义：n.(名词)[C] (花草的)茎,(树木的)干 main central part of a plant, bush or tree coming up from the roots, from which the leaves or flowers grow[C] 词干 r