squeaking
 滑音測試
 Squeak v. i. [imp. & p. p. Squeaked p. pr. & vb. n. Squeaking.]
 1. To utter a sharp, shrill cry, usually of short duration; to cry with an acute tone, as an animal; or, to make a sharp, disagreeable noise, as a pipe or quill, a wagon wheel, a door; to creak.
    Who can endure to hear one of the rough old Romans squeaking through the mouth of an eunuch?   --Addison.
    Zoilus calls the companions of Ulysses the =\“squeaking pigs” of Homer.\=   --Pope.
 2. To break silence or secrecy for fear of pain or punishment; to speak; to confess. [Colloq.]
 Syn: -- squeal.
    If he be obstinate, put a civil question to him upon the rack, and he squeaks, I warrant him.   --Dryden.
 squeaking
      adj : having or making a high-pitched sound such as that made by a
            mouse or a rusty hinge [syn: screaky, screechy, squeaky,
             squealing]