It could mean that he ejaculates only seconds after his penis goes into the vagina, or he could even ejaculate prior to penetration.
It could mean that he ejaculates only seconds after his penis goes into the vagina, or he could even ejaculate prior to penetration.
可意味着在阴茎进入阴道后几秒钟就射精，或者干脆在进入前就已射精。