Trisomy 21
[医]21三体
🧩 词语组成解析
n. [生]三(染色)体性,三(染色)体细胞
twenty-one; [电影]决胜21点
🗣️ 情景例句
But what?
但是什么？
Which would you rather have--steak or fish?
你想要牛排还是鱼？
This is Zhou Lan speaking.
我就是周兰。