When I was in high school, back in the 1950s, it was very popular for high school students to have gel - a type of gel in their hair.
上世纪50年代，我中学的时候，中学生很喜欢用凝胶，一种发胶jKj0L;^@6)zGHuWa_2h)。
Maybe one of the more famous movies in the United States about 1950s and 1960s in high school was called Grease, "Grease."
也许在20世纪50到60年代，美国中学生中最著名的电影之一就是《油脂（Grease）》PJgs7T8=C1N。
And in Grease, which starred, I think, Olivia Newton-John and John Travolta - I'm not sure,
《油脂》的主演，我记得是奥莉维亚·纽顿-约翰和约翰·特拉沃尔塔，不太确定F((OO^0zNq,。
I, as a man, have not watched it as much as most American girls and women have -
我是男孩子，不像美国女孩子那么喜欢看qpQrgk-G9gqms。
but in the movie, I remember that the boys had gel - a type of gel on their hair to make it very flat on their head.
不过我记得，这部电影里，男孩子们喜欢用凝胶，就是一种可以让头发服帖的发胶FTApWHe]Jp#Yd。
Getting back to Lucy, she says that she "put a little gel in" her "hair to give it some" extra "volume."
回到露西，她说她“往头发上抹了点发胶，让头发看起来更丰盈”]C_8OYe0-+x^G。
Volume, "volume," means she made it thicker, or fuller, or bigger.
丰盈（Volume），意思是她让头发更厚，更饱满，更蓬松0x9;17NF%b6。
To add volume to your hair means to make it thicker.
让头发看起来更丰盈意味着使头发变厚6o*^ztYbZRV。