Dibutoxy
二丁氧基
🗣️ 情景例句
I just spoke with Charley Rafer.
我刚和Charley Rafer通了电话。
The interviewer is not supposed to ask.
面试人也不应该问这个问题。
The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening.
事实上搜寻工作很困难，因为常常是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发现它的踪迹。