Co-authoring
v. 合著者( co-author的现在分词 )
🧩 词语组成解析
[医] 钴(27号元素)
n. 著作;
🗣️ 情景例句
You know something, Ellen?
知道一件事吗， Ellen？
The classes are interesting, and the teachers are good.
那些课很有趣，老师又好。
How would you go to Beijing, by air or by train?
你怎样去北京，是乘飞机还是坐火车？