Polysulfonate
多磺酸盐
🗣️ 情景例句
I want to spend more time with Robbie.
我想多花点时间和Robbie在一起。
Mr. Jones is a renowned international authority on the problem of overpopulation in developing countries.
琼斯先生在发展中国家人口过剩问题方面是声誉卓著的国际权威。
During my years in school, Annie sat beside me in every class.
在我求学期间，安妮每堂课都坐在我身旁。