Ethydene
[医] 亚乙基, 乙叉
🗣️ 情景例句
We have done so much
我们已做了这么多的事
I subscribed to a lot of periodicals last year.
去年我订了许多期刊。
Television cameras and newspapers carried the news to everyone in the country.
电视摄像机和报纸把消息传送到全国。