🧩 词语组成解析
lens
[lɛnz]
n. 透镜，镜头;眼睛中的水晶体;隐形眼镜;汽车的灯玻璃;
cortex
['kɔ:teks]
n. 皮质;树皮;果皮;
🗣️ 情景例句
Are you ready to go?
准备好动身吗？
Packing will help push the sales.
包装有助于推销产品。
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。