法国有酷刑工具架：琴马。

France had torture instruments to the rack：the chevalet.

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四根琴弦的振动通过琴马传送到小提琴的面板，并在通过声柱传回声音回背板，声柱是音箱中一段嵌在面板和背板之间的圆木。

Vibrations from the four strings are transmitted via the bridge to the front of the violin, and on to the back via the sound-post, a length of round wood wedged between front and back inside the box.

youdao

四根琴弦的振动通过琴马传送到小提琴的面板，并在通过声柱传回声音回背板，声柱是音箱中一段嵌在面板和背板之间的圆木。

Vibrations from the four strings are transmitted via the bridge to the front of the violin, and on to the back via the sound-post, a length of round wood wedged between front and back inside the box.

youdao