firstly
A2高频 NGSL-3英 /ˈfɜːstli/美 /ˈfɜːrstli/
释义
adverb
首先（列举时）
used to introduce the first of a list of points you want to make in a speech or piece of writing
“There are two reasons for this decision: firstly…”
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There are two reasons for this decision: firstly…
首先（列举时）
firstly· 首先（列举时）
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