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
Looks good.
看起来很好。
Congratulations on your new job.
我恭喜你找到新的工作。
Why didn't you tell her to use her own?
你为什么不叫她用自己的？