相关单词近义词 unsatisfactory 不能令人满意的..., inferior 较低的, cheap 便宜的, substandard 标准以下的, second-rate 二流的临近词Lowden, low, Low vacuum filling machine, low alloy high speed steel, low voltage high precision, low-temperature coolants, low concentration chromium, low frequency transduction, low mobility semiconductor, Low-inductance capacitor, low threshold of occupancy, low-voltage electromotor 返回 low-grade