Dehydrogenation
n. 使脫氫\\n[化] 脫氫; 脫氫作用
??? 情景例句
Whose turn is it to wash the dishes today?
今天輪到誰洗碗？
My brother's in the army.He was just promoted to the rank of major.
我的兄弟在軍隊工作.他就被提拔為少校。
Yes, it's very nice. What's the time, please?
挺漂亮的，現在幾點了？