Dimer
n. 二聚物\\n[化] 二聚物; 二分子聚合物
🗣️ 情景例句
Did anyone find a camera bag this afternoon,a small canvas bag,on the J. F. Kennedy Ferry?…No?
请问今天下午有人捡到一个照像机旅行袋吗？一个小的粗帆布袋，是在J. F. Kennedy号渡船上丢的。……没有吗
Without practice, hopes will be reduced to zero.
没有实践，希望会化为乌有。
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。