The blood flows from the capillaries back into the veins.血從毛細(xì)血管流回靜脈.While Joe sleeps, a large percentage of his capillaries are inactive.當(dāng)喬睡覺(jué)時(shí), 他的毛細(xì)血管大部分是不工作的.His skin will flush - indicating that capillaries are operati...
Alex clenched her fists and gritted her teeth.亞歷克絲攥緊拳頭,牙咬得咯咯響。He gritted his teeth and plunged into the cold weather.他咬咬牙,沖向寒冷的天氣.The rest of the group shouldered their bags, gritted their teeth and set off.那群人中其余的人扛起包,咬...