Pentamer
n. [化]五聚物, 五节聚化物
🗣️ 情景例句
I'd really like to.
我真的希望帮忙。
See you tomorrow.
明天见。
The old lady was glad to be back at the block of flats where she lived.
老妇人回到了她居住的公寓楼，心里很高兴。