latchkey
latchkey 英 [ˈlætʃki:] 美 [ˈlætʃˌki]
n. （尤指住所前门的）门锁钥匙；弹簧锁钥匙
名词复数:latchkeys
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- n. （尤指住所前门的）门锁钥匙；弹簧锁钥匙
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1. The term refers to the latchkey of a door to a house.
这里的“钥匙”指的就是房门的钥匙。
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2. We were the first to be raised in record numbers in daycare, and some 40% of us were latchkey kids.
我们是第一批在幼儿园长大的孩子，我们中间40%的人钥匙儿（即回家时空无一人的儿童）。
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3. This week Digital latchkey debuts, an app that triggers the parent's phone when his or her child approaches within 15 feet of the front door.
本周该公司又发布了Digital Latchkey应用，如果子女回到家门口15英尺的范围时，使用者（父母）的手机就会收到提醒。
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