Undecylenic
十一碳烯的
🗣️ 情景例句
And I've been thinking about it a lot lately.
最近我一直就此事想了很多。
What is the type of furture?
这是什么类型的家具？
The key to a solution of that problem lay in an everyday observation.
可以从我们的日常生活观察中找到这个问题的答案。