✅ 同义词
🗣️ 情景例句
Is smoking allowed on the train?
火车上允许吸烟吗？
He has a book.
他有一本书。
Experts believe that there are about 40,000 different types of job in the world. Choosing the right one is a difficult job in itself.
专家们认为世界上大约有4万个不同种类的工作。要从中选择一个适合自己的工作是很困难的。