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
Are these the terms that we agreed on?
这些是我们同意的条件吗？
A fall into the pit, a gain in your wit.
吃一堑，长一智。
I always go to work by car.
我总是开车上班。