你是一段插曲。
我是一段插曲吗?
A bracket that looks like a parenthesis surrounds the two rows.
一对类似圆括号的括号将把这两行括起来。
That quantity in parenthesis, I have a mass which is a positive number. Something raised Something raised to the fourth power has got to be positive.
顺便说一句,质量这个量是个正数,四次方的值,肯定是正数。
In parenthesis now is a tilde which is shorthand notation for My Home Directory.
在圆括号里的,代表根目录。
Everything inside the parenthesis is positive, so minus a positive number.
而其中间的一切,也是正数,所以正数的相反是负数。
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