bulky /ˈbʌlki ||ˈbʊl-/
(a.)龐大的
Bulk·y a. Of great bulk or dimensions; of great size; large; thick; massive; as, bulky volumes.
A bulky digest of the revenue laws. --Hawthorne.
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bulky
adj : of large size for its weight
[also: bulkiest, bulkier]