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
Grandpa wanted to lend us the money to buy one,
爷爷要借给我们钱去买房子，
Don't look wise.
别自作聪明。
electronic goods and drug manufacturing.
-- 电子产品和药品的生产。