Polyethylene glycol 400
[医] 聚乙[烯]二醇400(分子量约400)
🧩 词语组成解析
n. 聚乙烯\\n[化] 聚乙烯
n. 乙二醇\\n[化] 二醇; 乙二醇
four hundred
🗣️ 情景例句
Do you know where the nearest post office is?
你知道最近的邮局在哪儿吗？
At about seven.
七点左右。
She felt inhere handbag for the piece of paper on which her father had written down al the details of the journey and gave it to the porter.
她从钱包里摸出一张纸条，那上面有她父亲对这次旅行详细说明，她把这张纸条交给了搬运工。