Diphyllobothrium cordatum
[医] 心形裂头绦虫
🧩 词语组成解析
[医] 裂头属
🗣️ 情景例句
especially when he's a baby.
特别是当他还是个婴儿的时候。
How much is it by registered mail?
挂号信要多少钱？
If you're free, how about lunch?
有空的话一起吃顿中饭如何？