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
Second, we have to make an effort to encourage American companies to do business in our country.
第二，我们必须鼓励美国公司在我国开展业务。
Being the newest member of this committee is really difficult.
能成为这个集体的新成员是很难的。
It's this plane.
这个飞机。