每日口說挑戰 好可愛還是好可怕？！五個關於老鼠的有趣事實 (5 Fascinating Facts About Rats)

今日挑戰句子

It's a rare occurrence, but a frightening reality in towns with older sewage systems.

雖然鮮少發生，但在汙水系統較為老舊的城鎮裏的確會發生這樣的可怕事件。