🧩 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
Speaking of school, how are your grades this term?
谈到学业，你这学期的成绩如何？
Reading is to the mind what exercise is to the body.
读书养神，锻链健身。
One morning the tiger was very, very hungry.
一天早上老虎饿极了。