“勃起”的英语？

“勃起”的拼音为：bó qǐ...

勃起是使你变成吸血鬼唯一的办法 吗 ?Getting hard was the only case for you to turn to a vampire?他曾勃起了一回, 不过又软下去了.He had one hard on, but it faded out.唯一能够永远毁勃起对我来说是压力.The only thing that's ever ruined an erection for me is stress....