Food is made up of carbohydrates, proteins and fats.食物由碳水化合物、蛋白质和脂肪构成。Carbon, hydrogen and oxygen combine chemically to form carbohydrates and fats.碳、氢、氧化合形成碳水化合物和脂肪。Unrefined carbohydrates include brown rice and other g...
He grins, delighted at the memory.想到往事，他开心地咧嘴笑了起来。The grins of his friends discomposed Jack when he tried to make his speech.杰克想要进行演讲时，他的朋友们咧着嘴笑，这使得他心里很慌乱。How can you teach a child who just grins stupidly at you all day?...
Farmers have reported a bumper crop this year.据报道今年庄稼大丰收。Install the jounce bumper on the upper spring mount.在上部弹簧固定处安装避震器.We can have roller coasters, bumper cars and bungee jumpings.我们可以坐过山车,开碰碰车,玩蹦极跳.A bumper crop rem...