gravillon怎麽讀
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- gravillon英語什麽意思：格拉維永
- gravillon法語什麽意思：音標：[gravijɔ̃]專業辭典n.m.【建筑】細粒碎石，細礫石：répandre du~[des~s]sur une route在路上鋪石屑gravillonm.礫砂；沙礫；細礫石；小礫石
