词汇	俯然
释义	俯然 fǔ rán俯就貌。
随便看	standard fahrenheit thermometer standard failure rate standard failure surface standard fall velocity standard fare standard farm standard farmland standard fastener standard fasteners standard feature standard federate architecture standard fee standard feedback control standard feeding standard fees standard fertility rate standard fertilizer standard fiber standard fiber glass standard fiber module standard fiber transmission standard field standard field generator standard field logging system standard field of length