Polycarboxylic
[机] 多羧酸的
🗣️ 情景例句
I'm almost ready here.
我快要准备就绪了。
The moon eclipses the sun.
月亮遮住了太阳。
He became a supporter of the poorest group in society, who did the lowest-paid jobs.
他成为社会中那些从事工资最低的工作的，最穷种姓的支持者。