英语语法分析

The six-membered rings exhibit slightly distorted chair, extremely distorted chair and half-chair conformation respectively.

六元环分别呈现微扭曲的椅式构象、严重扭曲的椅式构象及半椅式构象。

Then I re-membered the guns which made a lot of smoke.

这时我想起枪可以产生很多烟雾。

The six-membered ring of each kind of metals is the most stable.

三种元素的六员环短-长键交替结构都是各自环簇中最稳定的结构。