psychologically, 无意识之中的一个结

…
an important group of unconscious associations, or a strong unconscious impulse lying behind an individual’s otherwise mysterious condition
…
it may be imagined as a knot of unconscious feelings and beliefs, detectable indirectly, through behavior that is puzzling or hard to account for.
…

“…”? “。”?
~!@#$%^&*()_+

恩，对高中化学最记得住的就剩这四个数字了。找下，是这么个反应(很多无机的反应我看来都很古怪…)

4FeS₂+11O₂ = 2Fe₂O₃+8SO₂

and… Le Châtelier’s Principle
中间那字母不知道怎能给打出的

Chem. goes to HELL!