Progressivity
累进税; 进展性
✅ 同义词
🗣️ 情景例句
This is Mr. Wu in Room 415.
我在415房间，姓巫。
Our family always has a traditional Christmas.
我们家每年都要庆祝传统性的圣诞节。
l am vacuuming the floor now and have several shirts to iron.
我正在用真空吸尘器清理地板，还有好几件衬衫要熨。