🧩 词语组成解析
polymeric
[[ˌpɔli'merik]]
a. 聚合的, 聚合体的\\n[医] 聚合的
amide
[['æmaid]]
n. 氨化物, 酰胺\\n[化] 酰胺
🗣️ 情景例句
What are you working on?
你在干什么？
After graduation, Mr. Jones immediately became a member of the United Nations Relief and Rehabilitation Administration.
毕业后琼斯先生就加入了联合国救济善后总署。
Tomorrow will be a holiday.
明天放假。