Contourite
平积层, 平积岩； 等深流沉积, 平流沉积
🗣️ 情景例句
And nice meeting you, too, Mrs. Tobin.
我也很高兴见到你，Tobin太太。
Do you often study history on Saturday?
你常常在星期六学历史吗？
Yes, we have done a little. But we have just started and have nothing to show you.
有，我们做了一些，但是因为我们才刚起步，并没有任何资料可以提供给你们。