Littre's sinus
[医] 利特雷氏窦, 横窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
I have to return this book to the library.
我得把书还回图书馆了。
I told him to come in while waiting.
我告诉他进来等一下。
The morning passed rapidly and Frank was about to leave when he noticed a large packing case lying on the floor.
上午很快过去了，弗兰克正准备离去，突然看见地板上放着一只体积很大的货箱。