Underclay
n. (煤层下的)底黏土层
🗣️ 情景例句
No. I'm sorry, but we can't send out our tow truck to get you.
不能，真对不起，我们不能派拖车来。
The lion is known by his claws (paw).
狮以爪闻名。
Well, this is our latest catalog.
嗯，这是我们的最新的目录。