Pentamer
n. [化]五聚物, 五节聚化物
🗣️ 情景例句
She said she'll call back?
她说过她会打电话回来？
Which side do you favor?
你支持哪一边？
She's been there for two months. She's been there since September.
她进校有两个月了。她自9月份起便在那儿学习了。