These were hung in place with extendable rods.这些已经用伸缩杆挂好。The wheels of the toy car were fixed on metal rods.玩具车的轮子固定在金属棒上.A typewriter in which the characters are situated on type rods.一种打字机,其字符安装在字模棒上....
pretty的比较级形式是prettier。The comparative of "pretty" is "prettier".在这一单元中, 有许多形容词, 请依据前面所讲,写出他们的比较级.In this unit, are many adjectives. Please write their comparatives.比较级可以通过词形或者语义来实现.The degree of comparison can be express...