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
and wait for the final results.
等待最后的结果。
A near friend is better than a far-dwelling kinsman.
远亲不如近邻。
Don't be so childish.
别这么孩子气。