Acardius acephalus
[医] 无头无心寄生胎畸胎
🧩 词语组成解析
[医] 无心畸胎
[医] 无头畸胎
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
How long will you be working in Canada?
你将在加拿大工作多久？
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。