射出

shèchū
  1. emission
  2. ejaculation

CEDICT

to emit out; to eject; to fire

Wiktionary

Entry Composition

=1 射 shè old variant of 射 shè
=1 射 shè
  1. to shoot
  2. to launch
  3. to allude to
  4. radio- (chemistry)
=2 出 chū
  1. to go out; to come out
  2. to arise; to occur
  3. to produce; to yield
  4. to go beyond; to exceed
  5. (used after a verb to indicate an outward direction or a positive result)
  6. classifier for dramas, plays, operas etc
=2 出 chū variant of 出 chū (classifier for plays or chapters of classical novels)

Related entries

发射 fāshè
  1. to shoot (a projectile)
  2. to fire (a rocket)
  3. to launch
  4. to emit (a particle)
  5. to discharge
  6. emanation
  7. emission
開始發射倒數。

Begin the launch countdown.

Source: Tatoeba

射精 shèjīng
  1. ejaculation
  2. to ejaculate
但是，雖說是安全期，但好像也不代表體內射精不會懷孕。

However, it seems that just because it's a 'low risk day' doesn't mean that you won't get pregnant from intravaginal ejaculation.

Source: Tatoeba