Everybody's good at it, gay people are better at it than straight people, and, again, you don't need much time.
大家都很擅长判定性取向,但同性恋者比异性恋者更擅长,而且不需要太多时间。
Any time two orbitals come straight on together in that internuclear axis, you're going to have a sigma bond.
任何时候两个轨道,在核间轴上直接到一起,你就能得到sigma键。
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