1
seasonally + past participle
常用于经济统计，表示已消除季节性波动的影响。
The seasonally adjusted unemployment rate fell to 4%.
经季节性调整的失业率降至4%。
按季节；随季节变化地
先理解核心含义，再看它在真实句子里的用法。
按季节；随季节变化地
varying by season; at particular times of the year
The seasonally adjusted unemployment rate fell to 4%.
经季节性调整的失业率降至4%。
每个季节都发生
Occurring every season.
仅在当季发生
Occurring only in season.
在相应季节内发生；与当前季节相宜
Occurring within the relevant season; appropriately to the current season.
Many birds migrate seasonally to find warmer weather.
许多鸟类按季节迁徙以寻找更温暖的天气。
The resort only opens seasonally, from June to September.
这家度假村只在六月到九月间季节性开放。
Farm workers are hired seasonally during the harvest.
农场工人在收获季节被季节性雇用。
常用于经济统计，表示已消除季节性波动的影响。
The seasonally adjusted unemployment rate fell to 4%.
经季节性调整的失业率降至4%。
Prices vary seasonally in many tourist towns.
许多旅游城镇的价格会随季节变化。
The beaches here are seasonally crowded.
这里的海滩在特定季节很拥挤。
Not this
The restaurant closes seasonal in winter.
Use this
The restaurant closes seasonally in winter.
动词 close 需要用副词 seasonally 来修饰，表示“按季节地”；seasonal 是形容词，只能修饰名词，不能修饰动词，因此这里应改用副词。
Not this
This is a seasonally job.
Use this
This is a seasonal job.
名词 job 需要用形容词 seasonal 来修饰，表示“季节性的”；seasonally 是副词，不能放在名词前作定语，因此应改用形容词。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
经季节性调整的
The unemployment figures are seasonally adjusted to account for holiday hiring.
失业数据经过季节性调整，以考虑节日招聘因素。
应季供应的
Fresh strawberries are seasonally available at local markets.
新鲜草莓在当地市场应季供应。
随季节变化的
Tourist numbers in the region are seasonally variable.
该地区的游客数量随季节变化。
取决于季节的
The farm's income is seasonally dependent on the harvest.
这个农场的收入取决于季节性的收成。
季节性受雇的
Many lifeguards are seasonally employed during the summer.
许多救生员在夏季被季节性雇用。
Use seasonally naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 season（季节）与 ally（盟友），盟友随季节准时来访，seasonally 即‘季节性地’。
语域：neutral 常见场景：天气与气候描述、经济统计与就业报告、农业与旅游业的季节性描述 该词为中性副词，比较常见于书面或正式语境，如报告、统计和气象描述；日常口语中一般较少单独使用。
这些词都没有与 seasonally 完全押韵，因为 seasonally 的重音在首音节 /ˈsiːzənəli/，重读元音是 /iː/，其后接 /zənəli/。其中 traditionally、professionally、rationally 都收 /ʃənəli/；personally 收 /sənəli/；occasionally 收 /ʒənəli/；它们只是拼写上都以 -ally 结尾，但发音的元音不同，注意不要按拼写类推。
Dictionary facts from ECDICT, WIKTIONARY.