Gmb
abbr. 胃粘膜屏障（gastric mucosal barrier）
🗣️ 情景例句
Gates close at 5pm sharp.
大门 5 点正关闭。
Riches have wings.
财富难保。
Millionaires don't buy things on instalments!
百万富翁是不会分期付款买东西的！