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're right.
你说得对。
Step after step the ladder is ascended.
按部就班，循序渐进。
He expected the assistant to look at him in blank astonishment.
他原想女售货员会惊奇地望着他，不知所措，