Gbr
abbr. 引导骨再生术（Guided Bone Regeneration）；英国（Great Britain）
🗣️ 情景例句
You may be offered coffee, and then you should immediately announce the reason for your visit.
他们会给你冲咖啡，然后你应该尽快说明来意。
My hobby is collecting pictures.
我的嗜好是收集图片。
Yes, they do.
他们是。