"Once it's filled with liquid, you just need to insert it into a vein, slowly press, and then you can inject the garlic juice into the human body."
"Main body? Front needle?"
Listening to the drawings made by Xu Yun, Old Su was stunned again, only realizing that he might have misunderstood.
He awkwardly coughed lightly and looked at the drawing made by Xu Yun.
The Halo granted Xu Yun the ability to understand ancient texts after traveling through time, but it didn't enable him to master writing and drawing, so the sketch made with a brush had the charm of a 'soul artist'.
Although crude, some key details were described passably.
Actually, in ancient Huaxia, the ancients did attempt to create syringes.
However, the syringes of that time looked vastly different from those of later generations:
The 'tube' of the syringe was actually made of sheep bladders, with tubes made from animal intestines.
It was more akin to a squeezer for measuring blood pressure rather than a syringe.
