词典释义：
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The road was blocked by deep drifts of snow.
道路被风吹来的厚厚积雪阻塞。
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He knew the hidden drifts in that part of the river.
他对那段河道中的暗流非常清楚。
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Tom drifts from town to town.
汤姆在各个城镇流浪。
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Drifting, as all of this body drifts.
就像这漂流的整个身体一样，漂流着。
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They measured the depth of snow drifts.
他们测量了峰顶的覆雪深度。
漫反射傅立叶变换红外光谱（DRIFTS）是近年来发展起来的一项原位（in situ)技术，通过对催化剂上现场反应吸附态的跟踪表征以获得一些很有价值的表面反应信息，进而对反应机理进行剖析，已在催化表征中日益受到重视。