But when I pulled out my pack it was too light and stray bits of tobacco made that soft rustling sound so I knew I was out of cigarettes.
可是当我翻开我的包时,我才发现,它如此轻,里面只有些残留的烟渣,发出簌簌的声音,我的烟,抽完了。
Instead, it has an atmosphere made up of chemicals such as vaporized sodium, potassium and gaseous titanium oxide, which absorb light, but that still does not explain the planet's extreme blackness.
相反,TrES - 2b的大气层由气态钠、钾和三氧化钛这些可以吸收光线的化学物质组成,不过这也并不能为该行星极黑提供解释。
This ferocious lion looks as if it were made of bronze, but it is really light and can be moved by a single man.
这头看起来凶猛的狮子似乎是用铜铸的,然而它的质地很轻,一个人就能把它搬走。
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