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幼苗
共回答了15个问题采纳率:93.3% 举报
答案C
pile up (="lay" in a pile or as if in a pile)把.放成一堆, 堆积:pile up the books on the table (把书堆在桌子上).Pile up作不及物动词用, 意为“积压; (若干汽车)相撞”:1) Perishable goods are piling up at the docks. (码头上易腐烂的货物堆积如山.) 2) Several cars piled up after ignoring the fog warning on the motorway. (由于无视高速公路上的大雾警告, 有好几辆汽车相撞.) "
1年前
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