Hardpan
n. 硬质地层, 未开垦的硬地, 粘土层
🗣️ 情景例句
She is not able to take your call at the moment.
她现在没办法接你的电话。
How've you been?
别来无恙？
His name is Carlos.We're going to get married next week.
他叫卡洛斯。下星期我们就要结婚了。