Tetramer
n. [化]四聚物
🗣️ 情景例句
By the way, will we be able to get a refund on this cancellation?
顺便问一下，我们取消后可拿回定金吗？
She began playing the violin when she was nine.
她从九岁就开始练习小提琴。
He slept very well for the first two nights,
头两天晚上，他睡得非常好。