At this stage, each item in the list has an empty frame associated with it.
在这个阶段,列表中的每个项目都有一个与它关联的空白框架。
It might seem surprising to think about an item staying in space for that long, but the oldest satellite still in orbit—Vanguard 1—turned 60 in 2018.
想到一件物品在太空中停留那么久似乎令人惊讶,但目前仍在轨道上的最古老的卫星——先锋1号——在2018已年满60岁。
Selecting any of those links takes you directly to the work item, so you can work on it.
选择任意一个直达工作项目的链接,你就可以处理它了。
"Perhaps with education once you learn you can do one item, it empowers you to do the next.
VOA: special.2010.12.27
i If I'm going to keep that item, item i, if I'm going to take it, I give it a 1.
如果我想要保留这个物品,如果我打算带走它。
Can the body ingest this particular item and deal with it in a reasonable way and not have internal havoc occur?
营养能否被身体摄取,能否被适当的消化,不导致机体的紊乱
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