词汇	hours of sleep
释义	hours of sleep 睡眠时间
随便看	Internal disc disruptive internal discharge internal discharge bucket elevator internal-discharge-bucket elevator internal-discharge-bucket-elevator internal discipline internal discontinuities internal discontinuity internal discontinuitys internal discord internal disease internal diseconomics of production internal diseconomies of production internal diseconomy internal disequilibrium internal disintegration internal disjoint internal disjunction internal disk internal disorder internal dispersion internal displacement internal displacement coordinate internal displacement of surrounding rock Internal Display Element