Polyadenylic acid(poly(a))
[化] 多腺苷酸; 多聚腺苷酸
🗣️ 情景例句
What has kept you so busy?
什么使你这么忙？
It's a piece of cake.
这很容易。
Everybody will be watching anxiously as the new buildings go up.
大家都将急切地注视着新建筑的建成。