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
Don't forget about the bet.
别忘了打赌的事。
Saying and doing are two things.
说与做是两回事。
Vipers (adders) and rattlesnakes manufacture the blood poison, which is known as haemolytic.
蝰蛇（蝮蛇）和响尾蛇产生血液毒素，称为溶血性毒液。