Polyadenylic acid(poly(a))
[化] 多腺苷酸; 多聚腺苷酸
🗣️ 情景例句
They don't have room service at Old Country Inn. Old Country Inn
没有房间服务部。
Take your baggage to the baggage section.
把你的行李拿到行李房去。
What time will the next train leave?
下一班火车什么时候开？