富二代的英文：
affluent second generation；rich second generation

The "rich second generation" has triggered a heated debate in the Chinese media.
“富二代”在中国媒体间引发了热议。

Though he is regarded as a rich second generation, he never flaunts their wealth.
尽管他是个富二代可他从来不炫富。

The city is situated on the affluent of the river.
这个城市位于这条河的支流上。

But that's only true for affluent.
然而，这仅仅只是针对那些富人才是正确的。

An affluent of a famous river near the college was very beautiful.
学院附近有一条著名的河的支流很美丽。

the second in command
副司令员

grounded to the second baseman.
打到二垒手位置的滚地球

Down Second Avenue
沿着第二条林荫大道走去

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。