Polyanhydrides
[化] 聚酐类
🗣️ 情景例句
What do you do for a living, Mr. Stewart?
你是做哪一行的 Stewart先生？
Poverty tries friends.
贫穷考验朋友。
In this way Native Americans were forced onto poor land that the settlers did not want.
就这样，美洲土著人被赶到殖民者所不要的贫瘠的土地上去了。