Poly i
C
🧩 词语组成解析
n. 理工学院, 工艺高等专科学校\\n[化] 聚尿苷酸
🗣️ 情景例句
she's still alone, without her family.
她仍是孤单单的，找不到家。
Swimming promotes health.
游泳有益健康。
Tom and I are going to have a holiday.
我和汤姆准备去度假。