```
"Hmm, I'm afraid the injection site might be incorrect. The brainstem there connects to the central nervous system, and if it's not completely severed, or if it only pierces the muscle, the Alien Species will still have the ability to move."
After hearing this, Lu Changyuan nodded thoughtfully, "So, it's only at the correct position that you can pry open the skull?"
"Hmm, that's right..." Actually, she hadn't thought that much about it. She had performed this action countless times in her previous life, perhaps initially to ensure accuracy, but it later became a habit.
Han Jiaojiao felt somewhat uneasy inside. She wanted to explain, but didn't know where to start. She was never good at speaking, and was afraid that the more she spoke, the more mistakes she would make, so in the end, she chose to stay silent.
Fortunately, her brother didn't ask anything...
