1、The appressorium is a specialized structure used by certain fungi to infect host plants.
菌根真菌通过压子器这种特化结构侵染寄主植物。

2、The appressorium acts as a penetration peg, allowing the fungus to enter the host cell.
压子器起到穿透针的作用，使真菌能够进入寄主细胞。