它听起来不太像是低音号，因为它其实会在乐器更高的音域演奏，但它确实是低音号。
It doesn't sound much like a tuba because it's actually playing in the higher register of the instrument, but it is a tuba.
他以为能耍得了我，其实我清楚他是怎么一号人。
此时太阳表面并没有黑子，图像的右上部的黑斑其实是国际空间站（ISS）和正在执行STS-132任务的航天飞机亚特兰蒂斯号。
That's no sunspot. On the upper right of the above image of the Sun, the dark patches are actually the International Space Station (ISS) and the Space Shuttle Atlantis on mission STS-132.
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