shrillness [ʃrɪlnəs]

例句:

• Shrillness and hyperbole too often cloud the European debate.
  来自THETIMES
• Vieira de Mello was careful to convey these complaints in private and without shrillness.
  来自NEWYORKER
• One child, who had lost her parents, screamed steadily and with increasing shrillness.
  来自R. L. Stevenson