"Throughout today's ceremony, please keep your mask on at all times."
"Please put your mask on before the commencement of the ceremony and do not remove it until after the ceremony has finished."
- "Throughout today's ceremony, please keep your mask on at all times."
"throughout” 「開始前〜終了後」・「全部」
"today's ceremony" 「今日の式典」
"throughout today's ceremony" 「式典開始前~終了後もマスク」
"please keep your mask on" 「マスクを着けて」
"at all times" 「開始前~終了後」・「ずっと」
- "Please put your mask on before the commencement of the ceremony and do not remove it until after the ceremony has finished."
"commencement" 「開始」
"Please put your mask on before the commencement of the ceremony" 「式典開始前にマスクを着けて」
"remove" 「外す」
"do not remove it until after the ceremony has finished." 「式典終了後までマスクを外さないでください」