🗣️ 情景例句
I have worked hard at my major subject.
我对主修课特别用功。
Once a knave, ever a knave.
一朝失足，铸成千古恨。
He did a lot of research and travelled around the USA looking for information about his ancestors.
他做了大量的研究，在美国跑了许多地方，了解有关祖先的情况。