Gsb
abbr. gypsum sheathing board 石膏（夹）衬板
🗣️ 情景例句
It's extremely good of you to do this for me.
你帮我做了这件事，真是太好了。
He gave me a chest X-ray and took my blood pressure.
他给我做了X光检查并且量了我的血压。
They look very uncomfortable.
这种鞋子看上去很不舒适。