The phobia may have its root in a childhood trauma.

恐症可能源于童年时期的创伤。

She has a phobia about water and can’t swim.

她怕水, 所以不会。

By binding to certain glutamate receptors, D-cycloserine selectively enhances extinction, suppressing the effects of conditioned associations such as anxiety, addiction and phobias.

过与特定的谷氨酸酯结合，D-cycloserine选择性的强了遗忘，抑制了由于焦虑，上瘾和恐所来的效果。