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zwieback (n.)
[zwieback 词源字典]
1894, from German
Zweiback
"biscuit," literally "twice-baked," from
zwei
"two, twice" +
backen
"to bake;" loan-translation of Italian
biscotto
(see
biscuit
).
[zwieback etymology, zwieback origin, 英语词源]
[zwieback 词源字典]