provisional /prəˈvɪʒənl̟/ adjective Learner's definition of PROVISIONAL
[more provisional; most provisional]
: existing or accepted for the present time but likely to be changed : temporary暫時的;臨時的 -
a provisional government臨時政府
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provisional arrangements暫時性的安排
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The government has given provisional approval for the use of the new drug.政府暫時同意將這種新藥投入使用。