B. b. b.
[医] 血脑障壁
🗣️ 情景例句
Well, I never! I thought you were in HongKong.
哎，我真没想到！我还以为你在香港呢。
He speaks with London accent.
他带点伦敦口音。
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。