Indifferent tissue
[医] 未分化组织
🧩 词语组成解析
🗣️ 情景例句
They can keep a record of all of the important dates
他们可以记录下重要的日子。
There is a black sheep in every flock.
群群羊中有黑羊。
It is no use learning without thinking.
学而不思则惘。