Sma
abbr. 船舶维修局（英）（Ship Maintenance Authority）；（军用）剩余物资销售管理局（美）（Surplus Marketing Administration）；题材范围（subject - matter area）
🗣️ 情景例句
Thank you so much for coming. Have a safe drive home.
谢谢你的光临。小心驾车回家。
May I take pictures?
我能照相吗？
A week before, he had completed a successful overland flight during which he covered twenty-six miles.
一周以前，他曾成功地进行了一次26英里的陆上飞行。