彼女は普段早起きだ。
tbd
In general, she is an early riser.
She usually gets up early.
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普段， ふだん
1. usual, normal, everyday, habitual, ordinary
2. usually, normally, generally, habitually, always
通常的、正常的、日常的、惯常的、普通的；通常、通常来说、通常情况下、习惯性地、总是
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调