Ecological system
[法] 生态系统
🧩 词语组成解析
ecological
[ˌekə'lɔdʒikəl]
adj. 生态（学）的;
🗣️ 情景例句
I studied medicine there.
我在那里学医学。
Somebody said she's not.
有人说她还是小姑独处哪。
No, more, about 130 years ago. Most of the slave owners were rich farmers who lived in the south. They wanted to keep their slaves.
不，还要早，大约130年前。大多数奴隶主都是住在南方的富有的农场主。他们想保留自己的奴隶。