Pleuronotum
侧背板
🗣️ 情景例句
Jack's genius at business.
杰克是个经商的天才。
The more we study, the more we discover our ignorance.
学得越多，就越发觉自己无知。
We have our evening meal at about a quarter past six.
我们6：15分左右吃晚饭。