Pentamer
n. [化]五聚物, 五节聚化物
🗣️ 情景例句
Well, I almost had a heart attack a few moments ago.
好啦，我几乎要得心脏病了。
No way is impossible to courage.
勇敢面前没有通不过的路。
He encouraged Indians to start making their own cotton cloth and to refuse to buy cloth made in England.
他鼓励印度人民自己着手纺纱织布，并拒绝购买英国纺织的棉布。