Polyadenylic acid(poly(a))
[化] 多腺苷酸; 多聚腺苷酸
🗣️ 情景例句
It's a beautiful day, isn't it?
今天天气真美，是吧？
Don't take any chances.
不要存侥幸心理。
It costs five hundred pounds.
它的售价是500英镑。