Spiran
[机] 螺环化合物
🗣️ 情景例句
When he came to the States five years ago, he had only forty dollars in his pocket.
五年前他来美国时，口袋里只有40美元。
Does your friend speak English?
你的朋友说英语吗？
As its composition and line reminded him of an Italian painting he knew well, he decided to buy it.
画面构图与纸条使他想起一幅他所熟悉的意大利画，于是他决定将画买了下来。