Put this clip at the very start of a game edit as the greeting, then follow it with the enemy spotted alert once enemies appear, and save the bomb has been planted line for the objective moment later in the sequence.
關於此聲音
This clip is a short vocal line from a Half-Life scientist character saying "Hello there" in a calm, matter-of-fact tone. It feels politely awkward and oddly formal, like a lab worker greeting you in the middle of chaos. It comes from Half-Life, where the scientists are known for their stiff, earnest delivery.