Anionic cycloaddition
[化] 负离子环加成
🧩 词语组成解析
a. [化]阴离子的,带负电荷的离子的
n. [化]环加成( 指不饱和分子化合成一环状化合物的反应)
🗣️ 情景例句
Good night, Harry,
再见，Harry。
I told him to come in and wait here.
我告诉他进来在这里等。
We both tried to get the coins, but it was too late.
我们俩都试图把这两枚硬币拿出来，但太迟了。