三十多年前，在台大修生物化学。课本是美国进口的英文书。
有位授课教师把legend读成【李根】。
https://dictionary.cambridge.org/dictionary/english-chinese-traditional/legend
legend
[ C ] formal
the words written on or next to a picture, map, coin, etc. that explain what
it is about or what the symbols on it mean
（对图画、地图、硬币等的）说明，图例