And, just like harp strings, the fibers resonate at different frequencies.

就像竖琴弦一样，这些纤维以不同的频率共振。

She will utter a musical sound, or a moan, like a harp string, but don't expect a song from her.

她会发出悦耳的声音， 或者像竖琴弦一样的呻吟声， 但别指望她会唱一首歌。

Each of the spikes attached to the seeds in an ear of barley, wheat or rye has a resonant frequency that depends, like the note plucked from a harp string, on its length.

在大麦、小麦或黑麦的穗中，每一个附着在种子上的穗状物都有一个共振频率，就像从竖琴弦上拨动的音符一样，取决于它的长度。