unattended

/ˌʌnəˈtendɪd/📚 16940 16雅思
When people or things are left unattended, they are not being watched or taken care of. 无人照管的

adjective [原级]无人看管的,无人照料的;未被注意的,未被处理的;(会议等)无人出席的

Never leave young children unattended near any pool or water tank.
千万别把小孩留在水池或水箱旁而无人看管。

单词造句:
网友用“Unattended”造句精选
An unattended backpack was found in a rubbish pile. 在垃圾桶里发现了一个无人看管的背包。
Young children should never be left unattended near a stretch of water. 绝不能让幼儿在水边无人看管。
Schools closed. Crops lay unattended. 学校被关闭了,庄稼无人照看。