Nobody knows what time is like, for we cannot see it, nor can we touch it. Time is abstract, which we can only imagine in our mind.
谁也不知道时间是什么样子，因为我们既看不见它，也摸不着它。时间是抽象的东西，我们只能凭脑子去想像它。
Atom can be accurately described though we cannot see it.
即使我们看不见，我们还是可以精确地描述原子。
We cannot see it. We cannot touch it we cannot hear it we know it only by the way we mark its passing.
时间是看不到、摸不着、听不见的，我们只能通过记录时间消逝的办法才知道时间的存在。
We cannot see it. We cannot touch it we cannot hear it we know it only by the way we mark its passing.
时间是看不到、摸不着、听不见的，我们只能通过记录时间消逝的办法才知道时间的存在。
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