They are just pretty patterns.
它们就是些好看的图案，
新概念英语第二册 Lesson 26 The best art critics

📚 句中词汇解析

从本句中提取的重要词汇

pretty ['prɪti] 词频1
adj. 漂亮的;机灵的，聪明的; adv. 相当，颇; n. 漂亮的人（或东西）;
"Two days after the accident she still looked pretty banged up."
事故过去两天后她看上去伤势仍然很重。
近义：lovable, lovely, neat, nice, smart, super 反义：homely, inartistic, unaesthetic, unattractive, unbeautiful, uncomely
patterns
n. 模式（pattern的复数形式）

📚 更多「新概念英语第二册」例句

I like gardens too, but I do not like hard work.
我也喜欢花园，但我却不愿意辛勤劳动。
In her letter, she said that she would come to England next year.
在信中她说她明年将到英国来。
He was still smiling when the door opened and his wife came in.
他正笑着的时候门开了，他的妻子走了进来。
The snake, however, continued to 'dance' slowly.
然而那蛇却还是缓慢地“舞动”着。
Once a year, a race is held for old cars.
旧式汽车的比赛每年举行一次。
Last Christmas, the circus owner, Jimmy Gates,
去年圣诞节，马戏团老板吉米。