词汇	pin eye
释义	pin eye 销眼
随便看	generation fight transfer generation file generation file group generation forecasting generation free generation function generation function of harmonic numbers Generation,Future generationgap generation gap generation-gap generation gap in my family generation gap of a generation generation gaps generation-gaps generation gear grinding generation glands generation grammar generation hanging gear generation harmony Generation heterosis utilization generation increments generation index generation inheritance generation-inhibition in five elements