NHK : 出入(+ 此房间)前请换鞋 = Please change your shoes before entering and leaving (+ this room)~..."此房间 / this room"是故意加上去...让你参考...不加也没关系...当然...加别的东西...例如..."此微生物实验室 / this microbiological laboratory"..."此录音室 / this studio"..."此隔离病房 / this isolation ward"等等...也可以滴~........
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