go on about sth造句

1、As a result of too exert oneself to do sth. on tiptoe, can make knee concerns because of tiptoe emphatic and too go up at leg abdomen forcibly, bring about turnip leg very easily.(由于過于在腳尖上用力，會使膝蓋因為腳尖用力的關系而太用力于腿肚上，很輕易導致蘿卜腿。) haO86.com