英语词汇sift down怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	sift down
释义	sift down 简明释义筛选下来：通过筛子将较小的颗粒或物质从较大的颗粒或物质中分离出来的过程。网络释义短语 1 sift and silt down 飘散淤积双语例句 1 The thump of his foot on the floor leveled the chair and delicate fountain, and a moment later the ceiling itself began to sift down, the twining branches moldering into soft dust. 他的脚重重踏在地上，椅子和精致的喷泉同样化成了灰烬，片刻之后，天花板也开始散落下来，那缠绕的枝条状的花纹碎成了轻柔的灰尘。
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