单词	老而无用
释义	老而无用 outlive one's usefulness用
随便看	compound purgative cream compound purifying compound-purple grass oil Compound purslane compound pustule compound pyrenoid Compound Pyrimethamine Tablets Compound Pyrola capsules compound Q compound Qiang Qi pill compound Qiling medicament Compound Qinggan Capsule Compound Qingre Granule Compound Qingre Granules compound qingwenjiedu tablets compound qishaojiangya tablet Compound Qishe tablets compound quadratic form compound quadratic forms compound quadrature formula compound quadruple time compound quantity compound quarterly compound quasi-period potential compound quinine injection