Preoperculum
[医] 前盖
🗣️ 情景例句
That's a neat idea.
这是个好主意。
Children learn to creep ere they can go.
孩子要走路，先得学爬行。
Don't worry! said Ah Fang.We're safe. Don't be afraid. Let's go for a walk.
“不用担心！”阿芳说，“我们很安全。别害怕，我们去散散步吧。”