Dipyridine
[医]双吡啶
🗣️ 情景例句
I have two days off a week.
我一星期休息两天。
What's the longest river in the United States?
在美国最长的河是什么？
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。