Pentabasic acid
[化] 五元酸; 五元碱酸
🧩 词语组成解析
a. [化]五元的,五基的
🗣️ 情景例句
I'm sorry to say this, but there seems to be a mistake.
对不起，这儿好像有个错。
Better have something we can get our hands on rather than just spend all our time talking.
有些实际材料拿到手总比坐着闲聊强。
I'm not sure. I ought to do some studying, as I've got masses of work to do, but I think I'll be too tired. Maybe I'll just watch the news on television and go to bed early.
还不清楚。我有大量的作业要做，按理我应该学习，但是我想这样一来我会很累的。我可能会看看电视新闻，然后早点上床睡觉。