Trais
abbr. Transportation Research Activity Information Service (Department of Transportation) 交通研究活动信息服务（交通部）
🗣️ 情景例句
We'll sign two originals, each in the Chinese and English language.
我们将要用中文和英文分别签署两份原件。
It's nice and sweet.
它的味道甜美。
Good morning. Sit down, please.
早上好，请坐。