upside英[ˈʌpsaɪd]美[ˈʌpˌsaɪd]n.好处; 上边; (糟糕局面的)好的一面; 颠倒着网络上侧; 上部; 上面 1there may actually be an upside to slower profits.利润放缓或许有好处。 2in general, the events of the left elements are earlier than the right,...
be made of,.制成且材料不发生变化 chair ** made of wood椅木做的(没发生化学变化 be made up of,由.组成 china ** made up of many provinces中很多成be made from,由.制成,材料发生了化学变化 ** ** made of wood纸是木做的(发生了化学变化)