Ninhydrin
n. [化](水合)茚三酮
🗣️ 情景例句
Uh--hold it. Old Country Inn?
嗯 ，等一等。Old Country Inn？
There's nothing to do because tomorrow is a holliday.
无所谓因为明天是假期。
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
当确定钻孔地点后，我们就在那里竖起一个井架。