They had just been preparing to walk as the letters came in; and her uncle and aunt, leaving her to enjoy them in quiet, set off by themselves.
那两封信送来的时候,他们刚刚要出去溜达;舅父母管自己走了,让她一个人去静静地读信。
My Tracks runs on Android mobile phones and records the location of GPS "breadcrumbs" left by users as they walk, jog, or bike outdoors.
My Tracks运行于Android 手机,当用户步行,慢跑或户外骑车时会记录GPS定位的“面包屑”。
They pop wide open as you come near. They shut behind you after you walk through. What makes the doors at the grocery store move all by themselves?
自动门在你走来的同时“砰”地一声打开了。当你走过自动门时又关闭了。是什么让杂货店的自动门自行开关呢?
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