Perfectivity
动词的完成式
🗣️ 情景例句
By the way, will we be able to get a refund on this cancellation?
顺便问一下，我们取消后可拿回定金吗？
I'm afraid not.
我想不是。
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。