Polyalkoxide
[化] 聚烷氧化物
🗣️ 情景例句
Hi. I'm Malcolm Stewart.
嗨。我是 Malcolm Stewart。
Christmas comes but once a year.
佳节良辰，机会难得。
All at once, I noticed that my wife seemed to be filled with alarm.
突然，我注意到妻子十分惊恐。