Tra
abbr. 印度茶叶研究协会（Tea Research Association）；美国轮胎轮辋协会（Tireand Rim Association）；美国晶体管有限公司
🗣️ 情景例句
I graduated from Nanjing University.
我从南京大学毕业的。
I'm studying upstairs.
我在楼上读书。
New technology has also made its own contribution to noise.
新技术也为噪音作了它的贡献。