易混淆的单词： Cogon

Including the potassium traditional chinese medicine like prunella vulgaris , the cogon grass root match when the clothing guarantees the potassium diuretics , easy to produce gao xuejia .

含钾的中药如夏枯草、白茅根配服保钾利尿药时，易产生高血钾。

One day , they go to the riverside bowel movement , later had discovered actually forgets the belt cogon grass paper . How manages ?

有一天，他们去河边大便，完了以后却发现忘带茅纸。怎么办呢？