Heparamine
[化] (N-)去磺(酸基)
🗣️ 情景例句
I am calling on behalf of the Private Teacher Company.
我代表家教公司给您打电话。
Are most of the lakes located in the north central region?
大多数湖位于向北中央的区域吗？
I can set up a tour next week.
我可以安排在下个礼拜参观。