Seral
a. [生态]演替系列的
🗣️ 情景例句
Bye-bye. It's all set. I'm going.
再见。都安排好了。我现在就去。
The petroleum region is centered largely in the north.
那里的石油区大部分集中在北部。
OK. We'll meet again tomorrow and make a decision then.
好吧。我们明天见，那时再作决定。