词根:stridor
adv.stridently 刺耳地;尖声地
n.stridor [内科] 喘鸣;尖锐刺耳声
stridence 刺耳,刺目
stridulation 磨擦声;尖锐的声音;鸣声
vi.stridulate 发尖锐的摩擦声(尤指昆虫如蟋蟀所发)
3.Its vowels include plain pharyngealised strident and breathy and they carry four tones.
元音包括简单音,咽音,刺耳音,气音,而且有四个声调。