Acetals
缩醛
🗣️ 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。
His flattery makes me sick.
他的恭维让我恶心。
I like the colour very much.It's lovely dress,
我很喜欢这颜色。这件漂亮的衣服，