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
Yes. Here you are.
好的，都在这儿。
Things done cannot be undone.
木已成舟。
I think we should do that another day. Then we can leave early in the morning before it gets too hot.
我想我们还是改天再去游览高坝吧。那样我们可以一清早就动身，免得天气太热。