title safe area字幕: captions; subtitles安全: safe; secure; safety; securi ...区域: area; beat; reach; domain; p ...字幕安全框: safe title margin; title safe安全区域: safe region; safe zone; safety zone下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:字幕安全区域,即可在微信中查询翻译