ex·cel·si·or /ɪkˈsɛlsiɚ/
(a.)不斷向上的,精益求精的細鉋花
Ex·cel·si·or, a. More lofty; still higher; ever upward.
Ex·cel·si·or, n. A kind of stuffing for upholstered furniture, mattresses, etc., in which curled shreds of wood are substituted for curled hair.
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excelsior
n : thin curly wood shavings used for packing or stuffing [syn:
wood shavings]