Complexon b
[化] 氨羧络合剂B; 乙二胺四乙酸钠
🧩 词语组成解析
配位酮（氨羧配位剂的商品名）
🗣️ 情景例句
You haven't changed much in fifty years.
你五十年来没有什么变。
It has been a long time since last came here.
自从我上次来这里已经有很长时间了。
He could hear their crying, also children's voices.
他可以听到妇女们的哭声，还有孩子们的声音。