Osd
abbr. 海洋科学部（Ocean Sciences Division）；美国国防部长办公室（Office of the Secretary of Defense）；英国测绘局（Ordnance Survey Department）；光学扫瞄器（Optical Scanning Device）
🗣️ 情景例句
At what time?
几点？
We have a small gift for you to take with you when you leave the factory.
你离开工厂时，我们有件小礼物要送给你。
The village which had seemed deserted, immediately came to life.Faces appeared at windows.
刚才还似乎空荡荡的村庄一下子活跃了起来，窗口露出了一张张面孔，