The wine is put into oak casks to age.酒被放进栎木桶中以变陈.The casks rolling about on the desk knocked against one another.几只滚动在工作台上的木桶互相碰撞....casks of sherry.一桶桶雪利酒Cups, basins, pots, bottles, casks, etc., are vessels that hold ...
The various harmonics are in resonance in this cavity to different degrees.在口腔中,各种谐音的共鸣程度不同.It is made up of a superposition of harmonics.它的谱由一组线条组成.These are called spherical harmonics.这些叫做球谐函数....