投影機

to throw; to cast (a vote, a glance); to put in (money, a coin); to send (a letter); to jump into; to go to; to seek refuge

Shadow; reflection; image or likeness; photograph; film or movie; trace or hint; to cast a shadow; to imitate or copy.

machine; mechanism; aircraft; opportunity; crucial point; pivot; quick-witted; flexible; organic; the origin or cause of something; inner desires or worldly thoughts.