Gbr
abbr. 引导骨再生术（Guided Bone Regeneration）；英国（Great Britain）
🗣️ 情景例句
What do you do in your spare time?
你在业余时间做什么？
I agree. I wish they were simpler.
我觉得也是，希望能简单些。
No sweater?
没穿毛衣？