adj.天阴沉的；闷闷不乐的sp.动词lower的现在分词形式.lowering Noun the act of causing to become less the act of causing something to move to a lower level Adjective darkened by clouds;"a heavy sky" lowering例句 用作形容词(adj.)The lowering clouds threaten rain.这阴霾的云层预示即将下雨。...
阅读更多