Dimer
n. 二聚物\\n[化] 二聚物; 二分子聚合物
🗣️ 情景例句
and a book of photos about the United States still feels right.
而一本关于美国的摄影集仍然很有前景。
Necessity (or Need) has (or knows) no law.
需要面前无法律。
They aren't very busy!
他们不很忙吧！