Pregracile sulci
[医] 薄叶前沟
🧩 词语组成解析
薄叶前的
[医] 沟
🗣️ 情景例句
No, no, no. I like the aisle seat better.
不 不 不。我喜欢坐在靠过道的地方。
I have great difficulty in understanding him.
我觉得很难理解他。
We're going to leave at about seven thirty next Monday morning.
我们打算下星期一早上7：30 左右出发。