Pentahydroxy-acid
[化] 五羟基酸
🧩 词语组成解析
🗣️ 情景例句
Susan, I understand you're in the toy business. Susan
听说 ，是在玩具业工作。
She's very well,thank you.
她很好，谢谢您。
Over the years, one may well become a authority on one's hobby and will very probably be asked to give informal talks to little gatherings and then,
一人积了多年经验会成为自己这种爱好的权威，很可能应邀在小型集会上作非正式的讲话。