aesthetic = a+ es +thet(词根)+tic
词根记忆：a+esthe（感觉）+tic（…的）→美学的审美的
They cite numerous websites on which people can observe the world around them for educational or aesthetic purposes .
他们举出无数的网站，人们可上网去观察他们周围的世界以达到教育或美学的目的。
These aesthetic and technological wonders span rivers ， and other obstacles with enough strength to support endless streams of cars and trucks.
这些审美和科技的奇迹跨越大河以及其他障碍物，用足够的力量来支撑无尽的车流
