Diphyllobothrium cordatum
[医] 心形裂头绦虫
🧩 词语组成解析
[医] 裂头属
🗣️ 情景例句
It's tough getting an O.K. from the boss.
很难从老板那听到声“同意”。
They've already turned on the electricity.The house is ready.
他们已经开了电.房子是准备好了的。
I'd be happy to.
很乐意。