Jennifer: That way they look longer.
Billy: Now what are you doing?
Jennifer: Putting on mascara.
Billy: Nasty. You'd better not rub your eyes.
Jennifer: I won't.
Billy: And you'd better not cry or you'll have black streaks running down your face.

mascara (n.) 　 睫毛膏

珍妮花：这样睫毛看起来会更长。
比 利：你这会儿又是在干嘛？
珍妮花：上睫毛膏。
比 利：恶。你最好别揉眼睛。
珍妮花：我才不会。
比 利：你也最好别哭，不然你脸上就会有条黑线流下来。