This biological chemical has previously been shown to play a role when female mosquitoes seek someone to suck.

这种生物化学物质此前曾被证明在雌性蚊子寻找吸血目标时发挥作用。

(For my successor will be to you, my son, like a ravening lion seeking someone to devour).

（因为我的继任者对你来说， 我的孩子，就像一头正在寻找可吞食人的贪婪的狮子）。