first-time adjective
Learner's definition of FIRST-TIME
always used before a noun
1
: doing something for the first time首次进行的;第一次的 -
first-time home buyers [=people who are buying a home for the first time]首次购房者
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a first-time visitor首次参观者
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a first-time author [=a person who has written a book for the first time]首次著书的作者
2
: done for the first time首次完成的