Topdown
adj. 由上而下的
🗣️ 情景例句
You will only have to pay another ten cents and a nickle for your child.
你只需另外再付10美分，而你的孩子只要再付5美分。
These buildings are supposed to be earth quakeproof.
这些建筑物是耐震建筑才对。
New China was founded in l949.
1949年新中国成立。