laboriously
us /ləˈbɔɹ.i.əs.li/
laboriously /ləˈbɔː.ɹi.əs.lɪ/ nghĩa là một cách vất vả, chịu khó
Các nghĩa
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một cách vất vả, chịu khó
With great expenditure of effort, in a manner requiring much labor.
The heavy man laboriously climbed the steep mountain, pulling himself up inch by inch.