監視鈴 的英文怎麼說
中文拼音 [jiānshìlíng]
監視鈴
英文
pilot bell-
Vending machines equipped with security cameras and emergency buzzers have recently been installed along school routes to protect children
最近,學校沿途裝置配備監視用攝影機與緊急電鈴的販賣機,以保護孩童。
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