Half-a-dozen assistants were at his beck to remove the pianos, &c. 夏洛蒂·勃朗特.维莱特.
As far aloft as I could see the stems and branches and twigs were as smooth and as highly polished as the newest of American-made pianos. 埃德加·赖斯·巴勒斯.火星战神.
The pitch of pianos, from the lowest bass note to the very highest treble, varies from 27 to about 3500 vibrations per second. 伯莎M.克拉克.科学通论.
Mine is dishes and dusters, and envying girls with nice pianos, and being afraid of people. 路易莎·梅·奥尔科特.小妇人.
The young ladies of the Conservatoire, being very much frightened, made rather a tremulous exhibition on the two grand pianos. 夏洛蒂·勃朗特.维莱特.