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Chuyên ngành
Hóa học & vật liệu
Oxford
A a mixture of coarse sand and small water-wornor pounded stones, used for paths and roads and as an aggregate.b Geol. a stratum of this.
Gravel-blind literary almost completely blind ('more thansand-blind', in Shakesp. Merchant of Venice II. ii. 33). [MEf. OF gravel(e) dimin. of grave (as GRAVE(4))]
tác giả
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