This is a large orchestra, with a vast percussion section.这是一支拥有很大的打击乐器组的大型管弦乐队。a percussion instrument打击乐器Diagnostician's digit repercussion of percussion.诊断者的数字.Percussion instruments like drums and clappers are a...
这束毛线解不开.This skein of wool won't disentangle.绳子解不开了,只能剪断。The rope could not be disentangled and had to be cut.这个结太结实了,我解不开.This knot is so tight I cannot undo it....