growth-ring boundary轮界线
growth-ring width生长轮宽度
tree growth-ring关中
growth h ring年轮
growth increment ring生长轮
growth-ring生长环
Chinese fir growth-ring杉木年轮
daily growth ring成长日轮
a ual growth ring年轮
同义词：annual ring
N（名词） → another name for annual ring