Polyanhydride
[化] 聚酐
🗣️ 情景例句
I'm sick of his long, empty speeches.
他那冗长而又没有内容的演讲令我厌倦。
The butter has an odor of cheese about it.
奶油的周围飘荡着干酪的味道。
'How's Tommy?' he asked.
“汤米怎么样？”他问。