单词	嚶然
释义	嚶然 yīng rán形容声音细弱。嘤然
随便看	boron-based fuel-rich propellant boron based fuel-rich solid propellant boron-based fuel-rich solid propellant boron-based fuel-rieh propellants boron-based propellant boron-based solid propellant Boronbayev boron-bearing aggregate boron bearing rock series boron-bearing rock series boron-bearing series boron beraing solution boron beterocyclic compound boron bormide Boron brittleness boron bromide boron-calcium ratio boron capsule diffusion boron capture boron carbide boron carbide absorber boron carbide ceramic boron carbide ceramics Boron carbide coating boron carbide control rod