Delayed dentition
[医] 出牙迟延
🧩 词语组成解析
a. 定时的；延时的
dentition
[den'tiʃən]
n. 齿系 （齿列、牙列等）;牙齿的加工;出牙;长牙;
🗣️ 情景例句
He is not cut out for teaching.
他不是当教师的料。
See you tomorrow.
明天见。
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。