Ethylates
使引入乙基类( ethylate的第三人称单数 )
🗣️ 情景例句
How much are the dues?
会费多少？
The weather is warm and sunny here.Do you get much rain?
这里的天气是温暖并且阳光充足的.你那有许多雨吗？
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，