Sinus plales
[医] 窦板(胚)
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
Who knows?
谁知道？
Don't forget to put stamps on your letter.
别忘了贴邮票。
We'll have to talk this over some more.
这件事我们得好好地再谈一谈。