你说的完全没错,对到我的心想了。Wearing a mask while exercising so excessively, he is simply breathing back the Carbon Dioxide that his body emits out through his nostrils. That is harmful to his health when he grows old. A very example he's exhibiting.
@JC-cq4dt5 ай бұрын
@alexyeung4662, even 是疫情期间,看得出,在附近没其他人,拍摄者肯定已经戴口罩,he shouldn't be wearing his mask so tightly when he's exercising, causing more harm to his lung muscles trying to breathe in fresh air.