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

The plane was late and detectives were waiting at the airport all morning.
飞机误点了，侦探们在机场等了整整一上午。
Then he smiled and told me I would receive an extra thousand pounds a year!
然后他微笑了一下告诉我说，我每年将得到1，000 英镑的额外收入。
jasper hopes that she will turn cars and their owners to stone.
贾斯珀希望她把汽车和车主们都变成石头。
He began his diet a week ago.
他是一星期前开始节食的。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。
It was officially opened on March 7,1994, finally connecting Britain to the European continent.
它于1994年3月7日正式开通，将英国与欧洲大陆连到了一起。