Shrillness

(noun.) having the timbre of a loud high-pitched sound.

(noun.) the quality of being sharp or harsh to the senses; 'the shrillness of her hair color'.

海耶斯校对

• I heard the key worked violently in the lock--I heard a man's voice behind the door, raised to a dreadful shrillness, screaming for help. 威尔基·柯林斯. 白衣女人.

校对:梅雷迪思