Epimeride
[化] 差向异构体
🗣️ 情景例句
A serious matter.
一个严重的问题。
Waste not,want not.
俭以防匮。
you are conditioned by the conventions of the community to such a degree that it is very difficult to conceive of anything really destructive.
社团的风俗习惯会严格地制约你，使你很难有破坏性的想法。