两代人的英文：
two generations

参考例句：

The long-term social threat posed by uncontrolled soil erosion raises profound questions of intergenerational equity.
土壤侵蚀带来的长期社会威胁会造成两代人之间的不公平。

A credibility gap is almost inescapable between generations.
两代人之间互不信任几乎是不可避免的。

two是什么意思：
num. 二，两个
n. 两个人
adj. 两个的

Knit two, purl two.
两针朝下，两针朝上。

the better of the two
两者中的更好者

What does two and two make?
2加2等于几？

Knit two plain, two purl.
两针平织，两针反织。

The two friends met where the two roads crossed.
这两个朋友在两条公路的交叉路口相遇。

generations是什么意思：
n. 代；一代，世代；一代人；同时代的人；产生，发生

generalized ensemble
广义系综

general average
共同海损

The steam can generate electricity by turning an electric generator.
蒸汽可以转动发电机发电。

“Director General” means the Director General of the Organization
“总干事”指本组织的总干事

The general directed the army to attack.
将军指挥军队进攻。