tens of millions of的意思是什么

造句：

1.The lens is a magic concave and convex mirror. The same person is observed by tens of millions of people through such a small piece of glass, so there is Tens of millions of real faces, this glass is lovely, and this glass is also terrible.

镜头这个神奇的凹凸镜，同样一个人通过这么一小块玻璃被数以千万的人所观察 ,于是有了数以千万计的真面目，这块玻璃很可爱,这块玻璃也很可怕。

2.Some would think it impossible, or too precise, but consider that there are trillions of planets in the universe.

有人会认为这不可能，要么就太严谨，但想一想，宇宙中有数以千万亿计的行星。