fattest/fæt/名词脂肪body fat身体脂肪/fæt/形容词胖的，肥胖的He passed me a fat envelope full of money.他递给我一个厚厚的信封，里面装满了钱。极少的；没有的A fat lot of use you are! (= You are not useful in any way.)你一点儿用都没有！想跟读，去练习
