Pentamer
n. [化]五聚物, 五节聚化物
🗣️ 情景例句
Yeah, he's fine.
是的 ，他不错。
The still sow eats up all the draff.
不声不响的猪吃光全部的饲料。
He was very healthy and happy, but he could not look after himself.
他很健康，非常欢快。但不能照料自己。