Polyu
[化] 聚尿苷酸
🗣️ 情景例句
I'd like to cash this check.
我想兑现这张支票。
I give you my word for it.
对于此事我向你保证。
There's no time! laughed Mother.Here are the twins.
“没时间了！”母亲笑着说，“双胞姐妹到了。”