Gmb
abbr. 胃粘膜屏障（gastric mucosal barrier）
🗣️ 情景例句
watch the last three minutes of the game.
看完那最后三分钟的球赛。
What would you like to do today?
今天你想做什么？
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。