Polyadenylic acid(poly(a))
[化] 多腺苷酸; 多聚腺苷酸
🗣️ 情景例句
going to the children's ward once or twice a week
每星期就去小儿科病房一、两次
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
Yes.
看见了。