世界上睡觉最长记录:初一首字母填空:After a few s____,the UFO disappeared.
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After a few seconds,the UFO disappeared.
a few seconds 在次second是秒的意思。过了几秒钟,不明飞行物消失了。
seconds
为什么是second呢?
After a few seconds,the UFO disappeared
seconds秒