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单词
rucksack
释义
rucksack
ruck
sack
/
ˈrʌksæk
/
noun
[countable]
Etymology
ETYMOLOGY
rucksack
Origin:
1800-1900
German
back sack
a
backpack
[
Origin:
1800–1900
German
back sack
]
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更新时间:2025/3/10 12:59:31