Pycnocline
n. (海洋)密度跃层
🗣️ 情景例句
I really have to go.
我真的得走了。
Yes. And another thing, would you mind not making long distance calls?
是的。还有一件事，请你别打长途电话了，好吗？
But other suns, stars as the astronomers call them, are bound to have planets like our own,
但是，其他的太阳，即天文学家所说的恒星，肯定会有像我们地球一样的行星。