钢琴有两种类型的键，白键和黑键。
Piano has two types of keys, the white keys, and the black keys.
白键代表快乐，黑键代表悲伤。
The white keys represent happiness, while the black keys represent sadness.
可以在钢琴的黑键上演奏。
巴林弹钢琴无师自通﹐但是只会弹黑键。
Israel taught himself to play the piano. But he could play only the black keys.
弗雷德里克·肖邦。黑键练习曲105。
这黑键摁下去不响。
生活就像一架钢琴：白键是快乐，黑键是悲伤。
Life is like a piano: white keys are happy moments and black keys are sad moments.
但当穿越生命之旅时，别忘了黑键也能演奏出音乐。
But as you go through life's journey, remember that the black keys make music too.
生活就像一架钢琴，白键代表幸福，黑键表示悲伤。
Life is like a piano. The white keys represent happiness and the black shows sadness.
黑键是悲伤。
如果你已经猜到了两者的位置和颜色的黑键汇率被显示。
If you have guessed both the position and colour a black key peg is displayed.
但是你不要忘了，在人生的旅途中，黑键也能奏响音乐。
But as you go through life's journey, remember that the black keys also makes music.
在键盘上，其为相邻音间，白键或黑键间，上行或下行间的音程。
On the keyboard it the interval between adjacent notes, white or black, ascending or descending.
相应的音符命名基于标准的视唱系统，但是有五个新颖的黑键音的唱名在一起。
There is an accompanying note naming scheme based upon the standard Solfege system, but with novel names for the five black key notes.
生活就像一架钢琴：白键是快乐，黑键是悲伤。但是，要记住只有黑白键的合奏才能弹出美妙的音乐。
Life is like a piano. The white keys are happy days and the black keys are the sad ones. Just remember you need both to make music.
生活就像一架钢琴：白键是快乐，黑键是悲伤。但是，要记住只有黑白键的合奏才能弹出美妙的音乐。
Life is like a piano: white keys are happy moments and black keys are sad moments. But remember both keys are played together to give sweet music.
“生物似乎利用一切可能的化学途径来获取能量并生成碳碳键，”黑曾说。
"Life seems to exploit every possible chemical pathway to obtain energy and make carbon-carbon bonds," says Hazen.
戴昆补充道，“如果在那个软件界面里给两个键的话，又会让我们感动。一个键按一下就可以把这个图变成黑底白图，再按另外一个键，就变成了白底黑图。”
Dai added, "I would be more moved if two buttons can be added to that interface, one turning a picture into white on black background, the other turning it black on white background."
戴昆补充道，“如果在那个软件界面里给两个键的话，又会让我们感动。一个键按一下就可以把这个图变成黑底白图，再按另外一个键，就变成了白底黑图。”
Dai added, "I would be more moved if two buttons can be added to that interface, one turning a picture into white on black background, the other turning it black on white background."
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