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backbreaking的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
Adjective:
-
characterized by effort to the point of exhaustion; especially physical effort;
"worked their arduous way up the mining valley"
"a grueling campaign"
"hard labor"
"heavy work"
"heavy going"
"spent many laborious hours on the project"
"set a punishing pace"
