讲解

Today's key word is Naked （adj.） 裸体的，裸露的

名词形式为 Nudity 裸体; 裸露
Someone who is naked is not wearing any clothes.

Here's an example：

The baby went naked on the beach.

这个小宝贝在沙滩上光着身子。

延伸：

Now let's learn the word in the news.
Recently,
some pictures online showing men swimming naked in the River has triggered
public debate.
The
group of men has been seen swimming naked in Ganjiang
River in the city of Nanchang.
Along
the river, there are also some tourists walking for sightseeing and taking
pictures of the city. From time to time, some female passersby feel
uncomfortable about it.

Notes:
-江西南昌一群男子在赣江中裸泳。
-经过该处的女性看到赤裸男子后倍感尴尬。
-如此“返璞归真” 如此与大自然融为一体 如此“坦诚”
-你能接受裸泳吗？