名詞 fungible:

1. a commodity that is freely interchangeable with another in satisfying an obligation

形容詞 fungible:

1. of goods or commodities; freely exchangeable for or replaceable by another of like nature or kind in the satisfaction of an obligation

fun.gi.ble

adj.（形容詞）
Law Returnable or negotiable in kind or by substitution, as a quantity of grain for an equal amount of the same kind of grain.
【法律】 可代替的：以同類物或替代物形式歸還的或磋商的，如一定數(shù)量的谷物可以用相同數(shù)量的同種谷物代替
Interchangeable.
可互換的
n.（名詞）
Something that is exchangeable or substitutable. Often used in the plural.
代替物：可互換的或可替換的物品。常用復(fù)數(shù)形式

來源：
Medieval Latin fungibilis
中世紀(jì)拉丁語 fungibilis
from Latin fungo (vice) [to perform (in place of)]
源自 拉丁語 fungo (vice) [（代替…）執(zhí)行]

【引伸】
fun.gibil.ity
n.（名詞）