Macrocyclic polymer
[化] 大环聚合物
🧩 词语组成解析
[机] 大环的
🗣️ 情景例句
Will I have to wait long?
要很久吗？
That's why he is now concentrating on conversation at a language school near his home.
这就是他在他家附近的一所语言学校专攻口语的原因。
Listen to this!'Karen Marsh:
“卡伦。马什：