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書き込む， 書きこむ， かきこむ
1. to fill in (field, entry, etc.), to fill out (form)
2. to post a message (e.g. on a bulletin-board)
3. to store
4. to write (data), to flash
填写(字段、条目等)，填写(表格)；发布一条消息(例如在公告板上发布)；存储；存入；储存；写入（数据）；刷新
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
