Hud
abbr. 住房和城市发展部（Housing and Urban Development）
🗣️ 情景例句
Thanks.
谢谢。
When was the last time he wrote you ?
他给你写最后一次是什么时候？
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。