重点讲解：
1. be designed to do sth. 预定；指定；
例句：This special coating is designed to resist rust.
这一特别的涂层旨在抗锈&e,Q&+0d,@*|.=3Mab^f。
2. name after （以…）为…命名；
例句：The kid was named after his grandfather.
这孩子是以他祖父的名字命名的RWiMfP@bVV。
3. take shape 逐渐成形；初具雏形；
例句：After six weeks' work the house began to take shape.
经过6个星期的工作以后，那座房子开始初具规模[UPWOZ[MHXJGTL0#W=.~。
4. be expected to do sth. 预期；预料；
例句：We are expected to make harbour tonight.
我们今晚应该入港停泊了
5. have an effect on 影响；效果；结果；
例句：Cities have a powerful magnetizing effect on young people.
城市对青年人有着强大的吸引力V,f]N;3pT2ftQ_,v。
6. as well as 除…之外；也；还；
例句：Travel afoot is good exercise as well as fun.
徒步旅行除了好玩外，还是良好的运动K+G0zgVJ.yE,e7UclM。