deepthroat

While learning to perform deepthroat, it's best if you are fully relaxed before starting. Take a nice, long, hot, bath.

学习深喉时，开始之前充分放松非常有益。

The more relaxed you are when you begin, the easier it will be to learn the deepthroat technique.

开始时越放松，深喉技巧的学习会越轻松。