vi.（昆虫尤指蝉和蟋蟀摩擦腿或翅翼）发出刺耳的声响
vt.轧轧作响

stridulate e → 发出尖声；唧唧鸣叫

【Verb】

1. make a shrill creaking noise by rubbing together special bodily structures;
"male insects such as crickets or grasshoppers stridulate"