break (ore, rock, or stone) into smaller pieces, especially in preparation for sorting
击碎(矿石,岩石,石块)。
[no obj.](of ore, rock, or stone)break off in fragments
(矿石,岩石,石块)裂成碎片
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cracks below the surface cause slabs of material to spall off .表面下的裂缝导致石板碎裂剥落。
a splinter or chip, especially of rock
裂片;碎片(尤指碎石)。
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spallv.击碎;裂成碎片
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smalladj.小型的;不起眼的;极少的;无关紧要的;不重要的;幼年的;小的;低的;首字母小写的;低微的
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shallmodal v.将;会
" late Middle English (as a noun): of unknown origin. The verb dates from the mid 18th cent."