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
You were right, Grandpa.
给你说对了 ，爷爷。
To fry eggs sunny-side up
煎一面的荷包蛋
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说